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Finding the Fourth Proportional to 104,920.80, 157,417.65 and 45,798.90

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Solution

The fourth proportional to 104,920.80, 157,417.65 and 45,798.90 is: 68,714.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,920.80 : 157,417.65 = 45,798.90 : x
  2. Step 2: Convert to fraction form
    104,920.80/157,417.65 = 45,798.90/x
  3. Step 3: Cross multiply
    104,920.80x = 157,417.65 × 45,798.90
  4. Step 4: Simplify right side
    104,920.80x = 7,209,555,210.59
  5. Step 5: Solve for x
    x = 7,209,555,210.59/104,920.80
  6. Step 6: Final answer
    x = 68,714.26

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