Finding the Fourth Proportional to 86,715.12, 130,057.33 and 23,540.15

Step by Step Solution

1. Step 1: Write the proportion equation
   86,715.12 : 130,057.33 = 23,540.15 : x
2. Step 2: Convert to fraction form
   86,715.12/130,057.33 = 23,540.15/x
3. Step 3: Cross multiply
   86,715.12x = 130,057.33 × 23,540.15
4. Step 4: Simplify right side
   86,715.12x = 3,061,569,367.23
5. Step 5: Solve for x
   x = 3,061,569,367.23/86,715.12
6. Step 6: Final answer
   x = 35,306.06