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Finding the Fourth Proportional to 153,554.40, 211,913.28 and 89,897.04

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Solution

The fourth proportional to 153,554.40, 211,913.28 and 89,897.04 is: 124,062.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,554.40 : 211,913.28 = 89,897.04 : x
  2. Step 2: Convert to fraction form
    153,554.40/211,913.28 = 89,897.04/x
  3. Step 3: Cross multiply
    153,554.40x = 211,913.28 × 89,897.04
  4. Step 4: Simplify right side
    153,554.40x = 19,050,376,608.69
  5. Step 5: Solve for x
    x = 19,050,376,608.69/153,554.40
  6. Step 6: Final answer
    x = 124,062.72

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