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Finding the Fourth Proportional to 87,586.76, 120,869.71 and 47,300.51

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Solution

The fourth proportional to 87,586.76, 120,869.71 and 47,300.51 is: 65,274.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,586.76 : 120,869.71 = 47,300.51 : x
  2. Step 2: Convert to fraction form
    87,586.76/120,869.71 = 47,300.51/x
  3. Step 3: Cross multiply
    87,586.76x = 120,869.71 × 47,300.51
  4. Step 4: Simplify right side
    87,586.76x = 5,717,199,110.48
  5. Step 5: Solve for x
    x = 5,717,199,110.48/87,586.76
  6. Step 6: Final answer
    x = 65,274.70

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