Finding the Fourth Proportional to 78,442.97, 108,251.31 and 42,632.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,442.97 : 108,251.31 = 42,632.98 : x
2. Step 2: Convert to fraction form
   78,442.97/108,251.31 = 42,632.98/x
3. Step 3: Cross multiply
   78,442.97x = 108,251.31 × 42,632.98
4. Step 4: Simplify right side
   78,442.97x = 4,615,076,021.85
5. Step 5: Solve for x
   x = 4,615,076,021.85/78,442.97
6. Step 6: Final answer
   x = 58,833.52