Finding the Fourth Proportional to 8,697.72, 12,002.87 and 4,718.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,697.72 : 12,002.87 = 4,718.82 : x
2. Step 2: Convert to fraction form
   8,697.72/12,002.87 = 4,718.82/x
3. Step 3: Cross multiply
   8,697.72x = 12,002.87 × 4,718.82
4. Step 4: Simplify right side
   8,697.72x = 56,639,359.42
5. Step 5: Solve for x
   x = 56,639,359.42/8,697.72
6. Step 6: Final answer
   x = 6,511.98