Finding the Fourth Proportional to 11,449.25, 17,171.53 and 7,231.22

Step by Step Solution

1. Step 1: Write the proportion equation
   11,449.25 : 17,171.53 = 7,231.22 : x
2. Step 2: Convert to fraction form
   11,449.25/17,171.53 = 7,231.22/x
3. Step 3: Cross multiply
   11,449.25x = 17,171.53 × 7,231.22
4. Step 4: Simplify right side
   11,449.25x = 124,171,111.17
5. Step 5: Solve for x
   x = 124,171,111.17/11,449.25
6. Step 6: Final answer
   x = 10,845.35