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Finding the Fourth Proportional to 589,786.80, 885,025.80 and 215,847.60

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Solution

The fourth proportional to 589,786.80, 885,025.80 and 215,847.60 is: 323,897.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,786.80 : 885,025.80 = 215,847.60 : x
  2. Step 2: Convert to fraction form
    589,786.80/885,025.80 = 215,847.60/x
  3. Step 3: Cross multiply
    589,786.80x = 885,025.80 × 215,847.60
  4. Step 4: Simplify right side
    589,786.80x = 191,030,694,868.08
  5. Step 5: Solve for x
    x = 191,030,694,868.08/589,786.80
  6. Step 6: Final answer
    x = 323,897.88

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