Finding the Fourth Proportional to 17,055.72, 23,526.72 and 12,578.04

Step by Step Solution

1. Step 1: Write the proportion equation
   17,055.72 : 23,526.72 = 12,578.04 : x
2. Step 2: Convert to fraction form
   17,055.72/23,526.72 = 12,578.04/x
3. Step 3: Cross multiply
   17,055.72x = 23,526.72 × 12,578.04
4. Step 4: Simplify right side
   17,055.72x = 295,920,025.23
5. Step 5: Solve for x
   x = 295,920,025.23/17,055.72
6. Step 6: Final answer
   x = 17,350.19