Finding the Fourth Proportional to 87,522.72, 120,780.72 and 49,799.04

Step by Step Solution

1. Step 1: Write the proportion equation
   87,522.72 : 120,780.72 = 49,799.04 : x
2. Step 2: Convert to fraction form
   87,522.72/120,780.72 = 49,799.04/x
3. Step 3: Cross multiply
   87,522.72x = 120,780.72 × 49,799.04
4. Step 4: Simplify right side
   87,522.72x = 6,014,763,906.51
5. Step 5: Solve for x
   x = 6,014,763,906.51/87,522.72
6. Step 6: Final answer
   x = 68,722.31