Finding the Fourth Proportional to 9,175.25, 12,662.93 and 5,449.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,175.25 : 12,662.93 = 5,449.25 : x
2. Step 2: Convert to fraction form
   9,175.25/12,662.93 = 5,449.25/x
3. Step 3: Cross multiply
   9,175.25x = 12,662.93 × 5,449.25
4. Step 4: Simplify right side
   9,175.25x = 69,003,471.30
5. Step 5: Solve for x
   x = 69,003,471.30/9,175.25
6. Step 6: Final answer
   x = 7,520.61