Finding the Fourth Proportional to 87,041.88, 120,111.78 and 48,276.05

Step by Step Solution

1. Step 1: Write the proportion equation
   87,041.88 : 120,111.78 = 48,276.05 : x
2. Step 2: Convert to fraction form
   87,041.88/120,111.78 = 48,276.05/x
3. Step 3: Cross multiply
   87,041.88x = 120,111.78 × 48,276.05
4. Step 4: Simplify right side
   87,041.88x = 5,798,522,022.76
5. Step 5: Solve for x
   x = 5,798,522,022.76/87,041.88
6. Step 6: Final answer
   x = 66,617.61