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Finding the Fourth Proportional to 53,218.91, 79,859.28 and 19,962.14

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Solution

The fourth proportional to 53,218.91, 79,859.28 and 19,962.14 is: 29,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,218.91 : 79,859.28 = 19,962.14 : x
  2. Step 2: Convert to fraction form
    53,218.91/79,859.28 = 19,962.14/x
  3. Step 3: Cross multiply
    53,218.91x = 79,859.28 × 19,962.14
  4. Step 4: Simplify right side
    53,218.91x = 1,594,161,728.36
  5. Step 5: Solve for x
    x = 1,594,161,728.36/53,218.91
  6. Step 6: Final answer
    x = 29,954.80

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