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Finding the Fourth Proportional to 67,838.42, 101,762.49 and 17,918.02

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Solution

The fourth proportional to 67,838.42, 101,762.49 and 17,918.02 is: 26,878.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,838.42 : 101,762.49 = 17,918.02 : x
  2. Step 2: Convert to fraction form
    67,838.42/101,762.49 = 17,918.02/x
  3. Step 3: Cross multiply
    67,838.42x = 101,762.49 × 17,918.02
  4. Step 4: Simplify right side
    67,838.42x = 1,823,382,525.47
  5. Step 5: Solve for x
    x = 1,823,382,525.47/67,838.42
  6. Step 6: Final answer
    x = 26,878.32

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