Finding the Fourth Proportional to 12,008.86, 16,569 and 7,162.90

Step by Step Solution

1. Step 1: Write the proportion equation
   12,008.86 : 16,569 = 7,162.90 : x
2. Step 2: Convert to fraction form
   12,008.86/16,569 = 7,162.90/x
3. Step 3: Cross multiply
   12,008.86x = 16,569 × 7,162.90
4. Step 4: Simplify right side
   12,008.86x = 118,682,090.10
5. Step 5: Solve for x
   x = 118,682,090.10/12,008.86
6. Step 6: Final answer
   x = 9,882.88