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Finding the Fourth Proportional to 58,204.80, 87,112.80 and 51,206.40

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Solution

The fourth proportional to 58,204.80, 87,112.80 and 51,206.40 is: 76,638.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,204.80 : 87,112.80 = 51,206.40 : x
  2. Step 2: Convert to fraction form
    58,204.80/87,112.80 = 51,206.40/x
  3. Step 3: Cross multiply
    58,204.80x = 87,112.80 × 51,206.40
  4. Step 4: Simplify right side
    58,204.80x = 4,460,732,881.92
  5. Step 5: Solve for x
    x = 4,460,732,881.92/58,204.80
  6. Step 6: Final answer
    x = 76,638.57

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