Finding the Fourth Proportional to 8,457.52, 11,664.72 and 5,800.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,457.52 : 11,664.72 = 5,800.72 : x
2. Step 2: Convert to fraction form
   8,457.52/11,664.72 = 5,800.72/x
3. Step 3: Cross multiply
   8,457.52x = 11,664.72 × 5,800.72
4. Step 4: Simplify right side
   8,457.52x = 67,663,774.60
5. Step 5: Solve for x
   x = 67,663,774.60/8,457.52
6. Step 6: Final answer
   x = 8,000.43