Finding the Fourth Proportional to 10,371.55, 15,559.32 and 5,689

Step by Step Solution

1. Step 1: Write the proportion equation
   10,371.55 : 15,559.32 = 5,689 : x
2. Step 2: Convert to fraction form
   10,371.55/15,559.32 = 5,689/x
3. Step 3: Cross multiply
   10,371.55x = 15,559.32 × 5,689
4. Step 4: Simplify right side
   10,371.55x = 88,516,971.48
5. Step 5: Solve for x
   x = 88,516,971.48/10,371.55
6. Step 6: Final answer
   x = 8,534.59