Finding the Fourth Proportional to 17,100.80, 23,600.15 and 9,547.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,100.80 : 23,600.15 = 9,547.12 : x
2. Step 2: Convert to fraction form
   17,100.80/23,600.15 = 9,547.12/x
3. Step 3: Cross multiply
   17,100.80x = 23,600.15 × 9,547.12
4. Step 4: Simplify right side
   17,100.80x = 225,313,375.73
5. Step 5: Solve for x
   x = 225,313,375.73/17,100.80
6. Step 6: Final answer
   x = 13,175.60