Finding the Fourth Proportional to 17,321.33, 25,916.99 and 10,275.54

Step by Step Solution

1. Step 1: Write the proportion equation
   17,321.33 : 25,916.99 = 10,275.54 : x
2. Step 2: Convert to fraction form
   17,321.33/25,916.99 = 10,275.54/x
3. Step 3: Cross multiply
   17,321.33x = 25,916.99 × 10,275.54
4. Step 4: Simplify right side
   17,321.33x = 266,311,016.05
5. Step 5: Solve for x
   x = 266,311,016.05/17,321.33
6. Step 6: Final answer
   x = 15,374.75