Finding the Fourth Proportional to 9,425.47, 13,009.49 and 5,449.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,425.47 : 13,009.49 = 5,449.06 : x
2. Step 2: Convert to fraction form
   9,425.47/13,009.49 = 5,449.06/x
3. Step 3: Cross multiply
   9,425.47x = 13,009.49 × 5,449.06
4. Step 4: Simplify right side
   9,425.47x = 70,889,491.58
5. Step 5: Solve for x
   x = 70,889,491.58/9,425.47
6. Step 6: Final answer
   x = 7,521.06