Finding the Fourth Proportional to 12,448.22, 17,179.71 and 7,071.85

Step by Step Solution

1. Step 1: Write the proportion equation
   12,448.22 : 17,179.71 = 7,071.85 : x
2. Step 2: Convert to fraction form
   12,448.22/17,179.71 = 7,071.85/x
3. Step 3: Cross multiply
   12,448.22x = 17,179.71 × 7,071.85
4. Step 4: Simplify right side
   12,448.22x = 121,492,332.16
5. Step 5: Solve for x
   x = 121,492,332.16/12,448.22
6. Step 6: Final answer
   x = 9,759.82