Finding the Fourth Proportional to 17,300.57, 25,941.63 and 8,959.90

Step by Step Solution

1. Step 1: Write the proportion equation
   17,300.57 : 25,941.63 = 8,959.90 : x
2. Step 2: Convert to fraction form
   17,300.57/25,941.63 = 8,959.90/x
3. Step 3: Cross multiply
   17,300.57x = 25,941.63 × 8,959.90
4. Step 4: Simplify right side
   17,300.57x = 232,434,345.78
5. Step 5: Solve for x
   x = 232,434,345.78/17,300.57
6. Step 6: Final answer
   x = 13,435.07