Finding the Fourth Proportional to 89,409.50, 123,387.33 and 49,125.87

Step by Step Solution

1. Step 1: Write the proportion equation
   89,409.50 : 123,387.33 = 49,125.87 : x
2. Step 2: Convert to fraction form
   89,409.50/123,387.33 = 49,125.87/x
3. Step 3: Cross multiply
   89,409.50x = 123,387.33 × 49,125.87
4. Step 4: Simplify right side
   89,409.50x = 6,061,510,117.45
5. Step 5: Solve for x
   x = 6,061,510,117.45/89,409.50
6. Step 6: Final answer
   x = 67,794.92