Finding the Fourth Proportional to 8,697.29, 12,002.31 and 4,718.57

Step by Step Solution

1. Step 1: Write the proportion equation
   8,697.29 : 12,002.31 = 4,718.57 : x
2. Step 2: Convert to fraction form
   8,697.29/12,002.31 = 4,718.57/x
3. Step 3: Cross multiply
   8,697.29x = 12,002.31 × 4,718.57
4. Step 4: Simplify right side
   8,697.29x = 56,633,679.89
5. Step 5: Solve for x
   x = 56,633,679.89/8,697.29
6. Step 6: Final answer
   x = 6,511.65