Finding the Fourth Proportional to 8,662.47, 12,998.67 and 8,592.00

Step by Step Solution

1. Step 1: Write the proportion equation
   8,662.47 : 12,998.67 = 8,592.00 : x
2. Step 2: Convert to fraction form
   8,662.47/12,998.67 = 8,592.00/x
3. Step 3: Cross multiply
   8,662.47x = 12,998.67 × 8,592.00
4. Step 4: Simplify right side
   8,662.47x = 111,684,491.68
5. Step 5: Solve for x
   x = 111,684,491.68/8,662.47
6. Step 6: Final answer
   x = 12,892.92