Finding the Fourth Proportional to 10,572.42, 14,589.90 and 5,856.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,572.42 : 14,589.90 = 5,856.60 : x
2. Step 2: Convert to fraction form
   10,572.42/14,589.90 = 5,856.60/x
3. Step 3: Cross multiply
   10,572.42x = 14,589.90 × 5,856.60
4. Step 4: Simplify right side
   10,572.42x = 85,447,208.34
5. Step 5: Solve for x
   x = 85,447,208.34/10,572.42
6. Step 6: Final answer
   x = 8,082.09