Finding the Fourth Proportional to 86,112.18, 129,168.09 and 23,782.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,112.18 : 129,168.09 = 23,782.50 : x
2. Step 2: Convert to fraction form
   86,112.18/129,168.09 = 23,782.50/x
3. Step 3: Cross multiply
   86,112.18x = 129,168.09 × 23,782.50
4. Step 4: Simplify right side
   86,112.18x = 3,071,940,100.43
5. Step 5: Solve for x
   x = 3,071,940,100.43/86,112.18
6. Step 6: Final answer
   x = 35,673.70