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Finding the Fourth Proportional to 456,364.21, 684,400.73 and 156,772.55

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Solution

The fourth proportional to 456,364.21, 684,400.73 and 156,772.55 is: 235,108.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,364.21 : 684,400.73 = 156,772.55 : x
  2. Step 2: Convert to fraction form
    456,364.21/684,400.73 = 156,772.55/x
  3. Step 3: Cross multiply
    456,364.21x = 684,400.73 × 156,772.55
  4. Step 4: Simplify right side
    456,364.21x = 107,295,244,241.96
  5. Step 5: Solve for x
    x = 107,295,244,241.96/456,364.21
  6. Step 6: Final answer
    x = 235,108.81

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