Finding the Fourth Proportional to 17,003.72, 25,501.52 and 7,143.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,003.72 : 25,501.52 = 7,143.18 : x
2. Step 2: Convert to fraction form
   17,003.72/25,501.52 = 7,143.18/x
3. Step 3: Cross multiply
   17,003.72x = 25,501.52 × 7,143.18
4. Step 4: Simplify right side
   17,003.72x = 182,161,947.63
5. Step 5: Solve for x
   x = 182,161,947.63/17,003.72
6. Step 6: Final answer
   x = 10,713.06