Finding the Fourth Proportional to 88,117.88, 132,190.59 and 28,940.06

Step by Step Solution

1. Step 1: Write the proportion equation
   88,117.88 : 132,190.59 = 28,940.06 : x
2. Step 2: Convert to fraction form
   88,117.88/132,190.59 = 28,940.06/x
3. Step 3: Cross multiply
   88,117.88x = 132,190.59 × 28,940.06
4. Step 4: Simplify right side
   88,117.88x = 3,825,603,606.04
5. Step 5: Solve for x
   x = 3,825,603,606.04/88,117.88
6. Step 6: Final answer
   x = 43,414.61