Finding the Fourth Proportional to 17,172.84, 25,762.96 and 5,326.38

Step by Step Solution

1. Step 1: Write the proportion equation
   17,172.84 : 25,762.96 = 5,326.38 : x
2. Step 2: Convert to fraction form
   17,172.84/25,762.96 = 5,326.38/x
3. Step 3: Cross multiply
   17,172.84x = 25,762.96 × 5,326.38
4. Step 4: Simplify right side
   17,172.84x = 137,223,258.14
5. Step 5: Solve for x
   x = 137,223,258.14/17,172.84
6. Step 6: Final answer
   x = 7,990.71