Finding the Fourth Proportional to 87,086.40, 120,175.83 and 49,359.84

Step by Step Solution

1. Step 1: Write the proportion equation
   87,086.40 : 120,175.83 = 49,359.84 : x
2. Step 2: Convert to fraction form
   87,086.40/120,175.83 = 49,359.84/x
3. Step 3: Cross multiply
   87,086.40x = 120,175.83 × 49,359.84
4. Step 4: Simplify right side
   87,086.40x = 5,931,859,740.67
5. Step 5: Solve for x
   x = 5,931,859,740.67/87,086.40
6. Step 6: Final answer
   x = 68,114.65