Finding the Fourth Proportional to 17,007.47, 25,508.42 and 12,062.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,007.47 : 25,508.42 = 12,062.12 : x
2. Step 2: Convert to fraction form
   17,007.47/25,508.42 = 12,062.12/x
3. Step 3: Cross multiply
   17,007.47x = 25,508.42 × 12,062.12
4. Step 4: Simplify right side
   17,007.47x = 307,685,480.43
5. Step 5: Solve for x
   x = 307,685,480.43/17,007.47
6. Step 6: Final answer
   x = 18,091.20