Finding the Fourth Proportional to 89,545.72, 123,576.12 and 49,261

Step by Step Solution

1. Step 1: Write the proportion equation
   89,545.72 : 123,576.12 = 49,261 : x
2. Step 2: Convert to fraction form
   89,545.72/123,576.12 = 49,261/x
3. Step 3: Cross multiply
   89,545.72x = 123,576.12 × 49,261
4. Step 4: Simplify right side
   89,545.72x = 6,087,483,247.32
5. Step 5: Solve for x
   x = 6,087,483,247.32/89,545.72
6. Step 6: Final answer
   x = 67,981.84