Finding the Fourth Proportional to 87,100.50, 120,201.12 and 49,377.18

Step by Step Solution

1. Step 1: Write the proportion equation
   87,100.50 : 120,201.12 = 49,377.18 : x
2. Step 2: Convert to fraction form
   87,100.50/120,201.12 = 49,377.18/x
3. Step 3: Cross multiply
   87,100.50x = 120,201.12 × 49,377.18
4. Step 4: Simplify right side
   87,100.50x = 5,935,192,338.44
5. Step 5: Solve for x
   x = 5,935,192,338.44/87,100.50
6. Step 6: Final answer
   x = 68,141.89