Finding the Fourth Proportional to 10,572.72, 14,589.84 and 5,856.64

Step by Step Solution

1. Step 1: Write the proportion equation
   10,572.72 : 14,589.84 = 5,856.64 : x
2. Step 2: Convert to fraction form
   10,572.72/14,589.84 = 5,856.64/x
3. Step 3: Cross multiply
   10,572.72x = 14,589.84 × 5,856.64
4. Step 4: Simplify right side
   10,572.72x = 85,447,440.54
5. Step 5: Solve for x
   x = 85,447,440.54/10,572.72
6. Step 6: Final answer
   x = 8,081.88