Finding the Fourth Proportional to 17,118.25, 25,656.17 and 9,700.21

Step by Step Solution

1. Step 1: Write the proportion equation
   17,118.25 : 25,656.17 = 9,700.21 : x
2. Step 2: Convert to fraction form
   17,118.25/25,656.17 = 9,700.21/x
3. Step 3: Cross multiply
   17,118.25x = 25,656.17 × 9,700.21
4. Step 4: Simplify right side
   17,118.25x = 248,870,236.80
5. Step 5: Solve for x
   x = 248,870,236.80/17,118.25
6. Step 6: Final answer
   x = 14,538.30