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Finding the Fourth Proportional to 216,021.88, 324,031.92 and 58,266.28

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Solution

The fourth proportional to 216,021.88, 324,031.92 and 58,266.28 is: 87,399.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,021.88 : 324,031.92 = 58,266.28 : x
  2. Step 2: Convert to fraction form
    216,021.88/324,031.92 = 58,266.28/x
  3. Step 3: Cross multiply
    216,021.88x = 324,031.92 × 58,266.28
  4. Step 4: Simplify right side
    216,021.88x = 18,880,134,579.66
  5. Step 5: Solve for x
    x = 18,880,134,579.66/216,021.88
  6. Step 6: Final answer
    x = 87,399.18

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