Finding the Fourth Proportional to 10,165.49, 14,028.03 and 5,689.13

Step by Step Solution

1. Step 1: Write the proportion equation
   10,165.49 : 14,028.03 = 5,689.13 : x
2. Step 2: Convert to fraction form
   10,165.49/14,028.03 = 5,689.13/x
3. Step 3: Cross multiply
   10,165.49x = 14,028.03 × 5,689.13
4. Step 4: Simplify right side
   10,165.49x = 79,807,216.17
5. Step 5: Solve for x
   x = 79,807,216.17/10,165.49
6. Step 6: Final answer
   x = 7,850.80