Finding the Fourth Proportional to 16,242.55, 22,418.43 and 9,528.46

Step by Step Solution

1. Step 1: Write the proportion equation
   16,242.55 : 22,418.43 = 9,528.46 : x
2. Step 2: Convert to fraction form
   16,242.55/22,418.43 = 9,528.46/x
3. Step 3: Cross multiply
   16,242.55x = 22,418.43 × 9,528.46
4. Step 4: Simplify right side
   16,242.55x = 213,613,113.52
5. Step 5: Solve for x
   x = 213,613,113.52/16,242.55
6. Step 6: Final answer
   x = 13,151.45