Finding the Fourth Proportional to 89,411.40, 123,385.68 and 48,574.98

Step by Step Solution

1. Step 1: Write the proportion equation
   89,411.40 : 123,385.68 = 48,574.98 : x
2. Step 2: Convert to fraction form
   89,411.40/123,385.68 = 48,574.98/x
3. Step 3: Cross multiply
   89,411.40x = 123,385.68 × 48,574.98
4. Step 4: Simplify right side
   89,411.40x = 5,993,456,938.29
5. Step 5: Solve for x
   x = 5,993,456,938.29/89,411.40
6. Step 6: Final answer
   x = 67,032.36