Finding the Fourth Proportional to 67,862.89, 93,646.56 and 40,989.52

Step by Step Solution

1. Step 1: Write the proportion equation
   67,862.89 : 93,646.56 = 40,989.52 : x
2. Step 2: Convert to fraction form
   67,862.89/93,646.56 = 40,989.52/x
3. Step 3: Cross multiply
   67,862.89x = 93,646.56 × 40,989.52
4. Step 4: Simplify right side
   67,862.89x = 3,838,527,544.05
5. Step 5: Solve for x
   x = 3,838,527,544.05/67,862.89
6. Step 6: Final answer
   x = 56,562.98