Finding the Fourth Proportional to 17,085.22, 25,628.60 and 5,238.13

Step by Step Solution

1. Step 1: Write the proportion equation
   17,085.22 : 25,628.60 = 5,238.13 : x
2. Step 2: Convert to fraction form
   17,085.22/25,628.60 = 5,238.13/x
3. Step 3: Cross multiply
   17,085.22x = 25,628.60 × 5,238.13
4. Step 4: Simplify right side
   17,085.22x = 134,245,938.52
5. Step 5: Solve for x
   x = 134,245,938.52/17,085.22
6. Step 6: Final answer
   x = 7,857.43