Finding the Fourth Proportional to 17,172.62, 25,749.47 and 5,323.11

Step by Step Solution

1. Step 1: Write the proportion equation
   17,172.62 : 25,749.47 = 5,323.11 : x
2. Step 2: Convert to fraction form
   17,172.62/25,749.47 = 5,323.11/x
3. Step 3: Cross multiply
   17,172.62x = 25,749.47 × 5,323.11
4. Step 4: Simplify right side
   17,172.62x = 137,067,261.25
5. Step 5: Solve for x
   x = 137,067,261.25/17,172.62
6. Step 6: Final answer
   x = 7,981.73