Finding the Fourth Proportional to 88,118.38, 132,191.34 and 28,940.56

Step by Step Solution

1. Step 1: Write the proportion equation
   88,118.38 : 132,191.34 = 28,940.56 : x
2. Step 2: Convert to fraction form
   88,118.38/132,191.34 = 28,940.56/x
3. Step 3: Cross multiply
   88,118.38x = 132,191.34 × 28,940.56
4. Step 4: Simplify right side
   88,118.38x = 3,825,691,406.75
5. Step 5: Solve for x
   x = 3,825,691,406.75/88,118.38
6. Step 6: Final answer
   x = 43,415.36