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Finding the Fourth Proportional to 171,079.20, 256,618.80 and 46,420.20

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Solution

The fourth proportional to 171,079.20, 256,618.80 and 46,420.20 is: 69,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,079.20 : 256,618.80 = 46,420.20 : x
  2. Step 2: Convert to fraction form
    171,079.20/256,618.80 = 46,420.20/x
  3. Step 3: Cross multiply
    171,079.20x = 256,618.80 × 46,420.20
  4. Step 4: Simplify right side
    171,079.20x = 11,912,296,019.76
  5. Step 5: Solve for x
    x = 11,912,296,019.76/171,079.20
  6. Step 6: Final answer
    x = 69,630.30

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