Finding the Fourth Proportional to 78,861.60, 118,249.20 and 32,061.60

Step by Step Solution

1. Step 1: Write the proportion equation
   78,861.60 : 118,249.20 = 32,061.60 : x
2. Step 2: Convert to fraction form
   78,861.60/118,249.20 = 32,061.60/x
3. Step 3: Cross multiply
   78,861.60x = 118,249.20 × 32,061.60
4. Step 4: Simplify right side
   78,861.60x = 3,791,258,550.72
5. Step 5: Solve for x
   x = 3,791,258,550.72/78,861.60
6. Step 6: Final answer
   x = 48,074.84