Finding the Fourth Proportional to 16,669.52, 23,003.88 and 9,217.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,669.52 : 23,003.88 = 9,217.52 : x
2. Step 2: Convert to fraction form
   16,669.52/23,003.88 = 9,217.52/x
3. Step 3: Cross multiply
   16,669.52x = 23,003.88 × 9,217.52
4. Step 4: Simplify right side
   16,669.52x = 212,038,723.98
5. Step 5: Solve for x
   x = 212,038,723.98/16,669.52
6. Step 6: Final answer
   x = 12,720.15