Finding the Fourth Proportional to 16,642.43, 22,969.50 and 9,836.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,642.43 : 22,969.50 = 9,836.16 : x
2. Step 2: Convert to fraction form
   16,642.43/22,969.50 = 9,836.16/x
3. Step 3: Cross multiply
   16,642.43x = 22,969.50 × 9,836.16
4. Step 4: Simplify right side
   16,642.43x = 225,931,677.12
5. Step 5: Solve for x
   x = 225,931,677.12/16,642.43
6. Step 6: Final answer
   x = 13,575.65