Finding the Fourth Proportional to 10,339.12, 14,268.15 and 5,862.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,339.12 : 14,268.15 = 5,862.78 : x
2. Step 2: Convert to fraction form
   10,339.12/14,268.15 = 5,862.78/x
3. Step 3: Cross multiply
   10,339.12x = 14,268.15 × 5,862.78
4. Step 4: Simplify right side
   10,339.12x = 83,651,024.46
5. Step 5: Solve for x
   x = 83,651,024.46/10,339.12
6. Step 6: Final answer
   x = 8,090.73