Finding the Fourth Proportional to 10,591.77, 15,892.52 and 5,401.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,591.77 : 15,892.52 = 5,401.29 : x
2. Step 2: Convert to fraction form
   10,591.77/15,892.52 = 5,401.29/x
3. Step 3: Cross multiply
   10,591.77x = 15,892.52 × 5,401.29
4. Step 4: Simplify right side
   10,591.77x = 85,840,082.34
5. Step 5: Solve for x
   x = 85,840,082.34/10,591.77
6. Step 6: Final answer
   x = 8,104.41