Finding the Fourth Proportional to 87,102.72, 120,223.98 and 49,398.84

Step by Step Solution

1. Step 1: Write the proportion equation
   87,102.72 : 120,223.98 = 49,398.84 : x
2. Step 2: Convert to fraction form
   87,102.72/120,223.98 = 49,398.84/x
3. Step 3: Cross multiply
   87,102.72x = 120,223.98 × 49,398.84
4. Step 4: Simplify right side
   87,102.72x = 5,938,925,152.18
5. Step 5: Solve for x
   x = 5,938,925,152.18/87,102.72
6. Step 6: Final answer
   x = 68,183.00