Finding the Fourth Proportional to 10,578.78, 14,598.72 and 5,862.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,578.78 : 14,598.72 = 5,862.96 : x
2. Step 2: Convert to fraction form
   10,578.78/14,598.72 = 5,862.96/x
3. Step 3: Cross multiply
   10,578.78x = 14,598.72 × 5,862.96
4. Step 4: Simplify right side
   10,578.78x = 85,591,711.41
5. Step 5: Solve for x
   x = 85,591,711.41/10,578.78
6. Step 6: Final answer
   x = 8,090.89