Finding the Fourth Proportional to 117,799.92, 176,789.79 and 58,685.31

Step by Step Solution

1. Step 1: Write the proportion equation
   117,799.92 : 176,789.79 = 58,685.31 : x
2. Step 2: Convert to fraction form
   117,799.92/176,789.79 = 58,685.31/x
3. Step 3: Cross multiply
   117,799.92x = 176,789.79 × 58,685.31
4. Step 4: Simplify right side
   117,799.92x = 10,374,963,630.98
5. Step 5: Solve for x
   x = 10,374,963,630.98/117,799.92
6. Step 6: Final answer
   x = 88,072.76