Finding the Fourth Proportional to 17,085.78, 25,640.24 and 5,992.63

Step by Step Solution

1. Step 1: Write the proportion equation
   17,085.78 : 25,640.24 = 5,992.63 : x
2. Step 2: Convert to fraction form
   17,085.78/25,640.24 = 5,992.63/x
3. Step 3: Cross multiply
   17,085.78x = 25,640.24 × 5,992.63
4. Step 4: Simplify right side
   17,085.78x = 153,652,471.43
5. Step 5: Solve for x
   x = 153,652,471.43/17,085.78
6. Step 6: Final answer
   x = 8,993.00