Finding the Fourth Proportional to 17,017.72, 25,511.01 and 7,157.69

Step by Step Solution

1. Step 1: Write the proportion equation
   17,017.72 : 25,511.01 = 7,157.69 : x
2. Step 2: Convert to fraction form
   17,017.72/25,511.01 = 7,157.69/x
3. Step 3: Cross multiply
   17,017.72x = 25,511.01 × 7,157.69
4. Step 4: Simplify right side
   17,017.72x = 182,599,901.17
5. Step 5: Solve for x
   x = 182,599,901.17/17,017.72
6. Step 6: Final answer
   x = 10,729.99