Finding the Fourth Proportional to 87,558.72, 120,818.88 and 49,311.84

Step by Step Solution

1. Step 1: Write the proportion equation
   87,558.72 : 120,818.88 = 49,311.84 : x
2. Step 2: Convert to fraction form
   87,558.72/120,818.88 = 49,311.84/x
3. Step 3: Cross multiply
   87,558.72x = 120,818.88 × 49,311.84
4. Step 4: Simplify right side
   87,558.72x = 5,957,801,279.54
5. Step 5: Solve for x
   x = 5,957,801,279.54/87,558.72
6. Step 6: Final answer
   x = 68,043.49