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Finding the Fourth Proportional to 78,292.96, 117,288.27 and 46,728.22

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Solution

The fourth proportional to 78,292.96, 117,288.27 and 46,728.22 is: 70,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,292.96 : 117,288.27 = 46,728.22 : x
  2. Step 2: Convert to fraction form
    78,292.96/117,288.27 = 46,728.22/x
  3. Step 3: Cross multiply
    78,292.96x = 117,288.27 × 46,728.22
  4. Step 4: Simplify right side
    78,292.96x = 5,480,671,497.54
  5. Step 5: Solve for x
    x = 5,480,671,497.54/78,292.96
  6. Step 6: Final answer
    x = 70,002.10

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