Finding the Fourth Proportional to 87,061.88, 120,172.74 and 49,361.24

Step by Step Solution

1. Step 1: Write the proportion equation
   87,061.88 : 120,172.74 = 49,361.24 : x
2. Step 2: Convert to fraction form
   87,061.88/120,172.74 = 49,361.24/x
3. Step 3: Cross multiply
   87,061.88x = 120,172.74 × 49,361.24
4. Step 4: Simplify right side
   87,061.88x = 5,931,875,460.60
5. Step 5: Solve for x
   x = 5,931,875,460.60/87,061.88
6. Step 6: Final answer
   x = 68,134.02