Finding the Fourth Proportional to 88,538.82, 132,821.30 and 31,608.31

Step by Step Solution

1. Step 1: Write the proportion equation
   88,538.82 : 132,821.30 = 31,608.31 : x
2. Step 2: Convert to fraction form
   88,538.82/132,821.30 = 31,608.31/x
3. Step 3: Cross multiply
   88,538.82x = 132,821.30 × 31,608.31
4. Step 4: Simplify right side
   88,538.82x = 4,198,256,825.00
5. Step 5: Solve for x
   x = 4,198,256,825.00/88,538.82
6. Step 6: Final answer
   x = 47,417.13