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Finding the Fourth Proportional to 456,397.80, 684,596.70 and 123,973.80

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Solution

The fourth proportional to 456,397.80, 684,596.70 and 123,973.80 is: 185,960.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,397.80 : 684,596.70 = 123,973.80 : x
  2. Step 2: Convert to fraction form
    456,397.80/684,596.70 = 123,973.80/x
  3. Step 3: Cross multiply
    456,397.80x = 684,596.70 × 123,973.80
  4. Step 4: Simplify right side
    456,397.80x = 84,872,054,366.46
  5. Step 5: Solve for x
    x = 84,872,054,366.46/456,397.80
  6. Step 6: Final answer
    x = 185,960.70

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