Finding the Fourth Proportional to 16,655.24, 22,980.84 and 9,938.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,655.24 : 22,980.84 = 9,938.72 : x
2. Step 2: Convert to fraction form
   16,655.24/22,980.84 = 9,938.72/x
3. Step 3: Cross multiply
   16,655.24x = 22,980.84 × 9,938.72
4. Step 4: Simplify right side
   16,655.24x = 228,400,134.12
5. Step 5: Solve for x
   x = 228,400,134.12/16,655.24
6. Step 6: Final answer
   x = 13,713.41