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Finding the Fourth Proportional to 662,414.40, 993,621.60 and 163,778.40

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Solution

The fourth proportional to 662,414.40, 993,621.60 and 163,778.40 is: 245,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,414.40 : 993,621.60 = 163,778.40 : x
  2. Step 2: Convert to fraction form
    662,414.40/993,621.60 = 163,778.40/x
  3. Step 3: Cross multiply
    662,414.40x = 993,621.60 × 163,778.40
  4. Step 4: Simplify right side
    662,414.40x = 162,733,755,853.44
  5. Step 5: Solve for x
    x = 162,733,755,853.44/662,414.40
  6. Step 6: Final answer
    x = 245,667.60

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