Finding the Fourth Proportional to 17,171.02, 25,704.69 and 15,528.34

Step by Step Solution

1. Step 1: Write the proportion equation
   17,171.02 : 25,704.69 = 15,528.34 : x
2. Step 2: Convert to fraction form
   17,171.02/25,704.69 = 15,528.34/x
3. Step 3: Cross multiply
   17,171.02x = 25,704.69 × 15,528.34
4. Step 4: Simplify right side
   17,171.02x = 399,151,165.91
5. Step 5: Solve for x
   x = 399,151,165.91/17,171.02
6. Step 6: Final answer
   x = 23,245.63