Finding the Fourth Proportional to 9,425.24, 13,005.87 and 5,447.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,425.24 : 13,005.87 = 5,447.63 : x
2. Step 2: Convert to fraction form
   9,425.24/13,005.87 = 5,447.63/x
3. Step 3: Cross multiply
   9,425.24x = 13,005.87 × 5,447.63
4. Step 4: Simplify right side
   9,425.24x = 70,851,143.10
5. Step 5: Solve for x
   x = 70,851,143.10/9,425.24
6. Step 6: Final answer
   x = 7,517.17