Finding the Fourth Proportional to 17,015.72, 25,508.01 and 7,155.69

Step by Step Solution

1. Step 1: Write the proportion equation
   17,015.72 : 25,508.01 = 7,155.69 : x
2. Step 2: Convert to fraction form
   17,015.72/25,508.01 = 7,155.69/x
3. Step 3: Cross multiply
   17,015.72x = 25,508.01 × 7,155.69
4. Step 4: Simplify right side
   17,015.72x = 182,527,486.74
5. Step 5: Solve for x
   x = 182,527,486.74/17,015.72
6. Step 6: Final answer
   x = 10,726.99