Finding the Fourth Proportional to 88,116.38, 132,188.34 and 28,938.56

Step by Step Solution

1. Step 1: Write the proportion equation
   88,116.38 : 132,188.34 = 28,938.56 : x
2. Step 2: Convert to fraction form
   88,116.38/132,188.34 = 28,938.56/x
3. Step 3: Cross multiply
   88,116.38x = 132,188.34 × 28,938.56
4. Step 4: Simplify right side
   88,116.38x = 3,825,340,208.39
5. Step 5: Solve for x
   x = 3,825,340,208.39/88,116.38
6. Step 6: Final answer
   x = 43,412.36