Finding the Fourth Proportional to 89,648.88, 123,711 and 49,366.24

Step by Step Solution

1. Step 1: Write the proportion equation
   89,648.88 : 123,711 = 49,366.24 : x
2. Step 2: Convert to fraction form
   89,648.88/123,711 = 49,366.24/x
3. Step 3: Cross multiply
   89,648.88x = 123,711 × 49,366.24
4. Step 4: Simplify right side
   89,648.88x = 6,107,146,916.64
5. Step 5: Solve for x
   x = 6,107,146,916.64/89,648.88
6. Step 6: Final answer
   x = 68,122.96