Finding the Fourth Proportional to 87,116.40, 120,223.32 and 49,392.24

Step by Step Solution

1. Step 1: Write the proportion equation
   87,116.40 : 120,223.32 = 49,392.24 : x
2. Step 2: Convert to fraction form
   87,116.40/120,223.32 = 49,392.24/x
3. Step 3: Cross multiply
   87,116.40x = 120,223.32 × 49,392.24
4. Step 4: Simplify right side
   87,116.40x = 5,938,099,075.04
5. Step 5: Solve for x
   x = 5,938,099,075.04/87,116.40
6. Step 6: Final answer
   x = 68,162.82