Finding the Fourth Proportional to 12,948.29, 17,825.43 and 12,353.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,948.29 : 17,825.43 = 12,353.18 : x
2. Step 2: Convert to fraction form
   12,948.29/17,825.43 = 12,353.18/x
3. Step 3: Cross multiply
   12,948.29x = 17,825.43 × 12,353.18
4. Step 4: Simplify right side
   12,948.29x = 220,200,836.26
5. Step 5: Solve for x
   x = 220,200,836.26/12,948.29
6. Step 6: Final answer
   x = 17,006.18