Finding the Fourth Proportional to 88,086.09, 132,128.76 and 31,913.03

Step by Step Solution

1. Step 1: Write the proportion equation
   88,086.09 : 132,128.76 = 31,913.03 : x
2. Step 2: Convert to fraction form
   88,086.09/132,128.76 = 31,913.03/x
3. Step 3: Cross multiply
   88,086.09x = 132,128.76 × 31,913.03
4. Step 4: Simplify right side
   88,086.09x = 4,216,628,421.10
5. Step 5: Solve for x
   x = 4,216,628,421.10/88,086.09
6. Step 6: Final answer
   x = 47,869.40