Finding the Fourth Proportional to 76,791.60, 115,168.50 and 32,395.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,791.60 : 115,168.50 = 32,395.50 : x
2. Step 2: Convert to fraction form
   76,791.60/115,168.50 = 32,395.50/x
3. Step 3: Cross multiply
   76,791.60x = 115,168.50 × 32,395.50
4. Step 4: Simplify right side
   76,791.60x = 3,730,941,141.75
5. Step 5: Solve for x
   x = 3,730,941,141.75/76,791.60
6. Step 6: Final answer
   x = 48,585.28