Finding the Fourth Proportional to 89,875.94, 124,006.69 and 54,941.78

Step by Step Solution

1. Step 1: Write the proportion equation
   89,875.94 : 124,006.69 = 54,941.78 : x
2. Step 2: Convert to fraction form
   89,875.94/124,006.69 = 54,941.78/x
3. Step 3: Cross multiply
   89,875.94x = 124,006.69 × 54,941.78
4. Step 4: Simplify right side
   89,875.94x = 6,813,147,385.77
5. Step 5: Solve for x
   x = 6,813,147,385.77/89,875.94
6. Step 6: Final answer
   x = 75,806.13