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Finding the Fourth Proportional to 76,336.16, 105,342.54 and 42,802.16

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Solution

The fourth proportional to 76,336.16, 105,342.54 and 42,802.16 is: 59,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,336.16 : 105,342.54 = 42,802.16 : x
  2. Step 2: Convert to fraction form
    76,336.16/105,342.54 = 42,802.16/x
  3. Step 3: Cross multiply
    76,336.16x = 105,342.54 × 42,802.16
  4. Step 4: Simplify right side
    76,336.16x = 4,508,888,251.89
  5. Step 5: Solve for x
    x = 4,508,888,251.89/76,336.16
  6. Step 6: Final answer
    x = 59,066.22

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