Finding the Fourth Proportional to 17,195.46, 23,730.88 and 9,642.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,195.46 : 23,730.88 = 9,642.28 : x
2. Step 2: Convert to fraction form
   17,195.46/23,730.88 = 9,642.28/x
3. Step 3: Cross multiply
   17,195.46x = 23,730.88 × 9,642.28
4. Step 4: Simplify right side
   17,195.46x = 228,819,789.61
5. Step 5: Solve for x
   x = 228,819,789.61/17,195.46
6. Step 6: Final answer
   x = 13,306.99