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Finding the Fourth Proportional to 206,907.10, 310,397.10 and 73,864.60

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Solution

The fourth proportional to 206,907.10, 310,397.10 and 73,864.60 is: 110,809.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,907.10 : 310,397.10 = 73,864.60 : x
  2. Step 2: Convert to fraction form
    206,907.10/310,397.10 = 73,864.60/x
  3. Step 3: Cross multiply
    206,907.10x = 310,397.10 × 73,864.60
  4. Step 4: Simplify right side
    206,907.10x = 22,927,357,632.66
  5. Step 5: Solve for x
    x = 22,927,357,632.66/206,907.10
  6. Step 6: Final answer
    x = 110,809.91

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