Finding the Fourth Proportional to 88,315.89, 132,474.22 and 28,353.48

Step by Step Solution

1. Step 1: Write the proportion equation
   88,315.89 : 132,474.22 = 28,353.48 : x
2. Step 2: Convert to fraction form
   88,315.89/132,474.22 = 28,353.48/x
3. Step 3: Cross multiply
   88,315.89x = 132,474.22 × 28,353.48
4. Step 4: Simplify right side
   88,315.89x = 3,756,105,147.29
5. Step 5: Solve for x
   x = 3,756,105,147.29/88,315.89
6. Step 6: Final answer
   x = 42,530.34