Finding the Fourth Proportional to 86,185.79, 129,189.50 and 32,863.41

Step by Step Solution

1. Step 1: Write the proportion equation
   86,185.79 : 129,189.50 = 32,863.41 : x
2. Step 2: Convert to fraction form
   86,185.79/129,189.50 = 32,863.41/x
3. Step 3: Cross multiply
   86,185.79x = 129,189.50 × 32,863.41
4. Step 4: Simplify right side
   86,185.79x = 4,245,607,341.88
5. Step 5: Solve for x
   x = 4,245,607,341.88/86,185.79
6. Step 6: Final answer
   x = 49,261.11