Finding the Fourth Proportional to 78,442.81, 108,251.92 and 42,632.83

Step by Step Solution

1. Step 1: Write the proportion equation
   78,442.81 : 108,251.92 = 42,632.83 : x
2. Step 2: Convert to fraction form
   78,442.81/108,251.92 = 42,632.83/x
3. Step 3: Cross multiply
   78,442.81x = 108,251.92 × 42,632.83
4. Step 4: Simplify right side
   78,442.81x = 4,615,085,702.53
5. Step 5: Solve for x
   x = 4,615,085,702.53/78,442.81
6. Step 6: Final answer
   x = 58,833.76