Finding the Fourth Proportional to 9,417.22, 12,995.49 and 5,439.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,417.22 : 12,995.49 = 5,439.58 : x
2. Step 2: Convert to fraction form
   9,417.22/12,995.49 = 5,439.58/x
3. Step 3: Cross multiply
   9,417.22x = 12,995.49 × 5,439.58
4. Step 4: Simplify right side
   9,417.22x = 70,690,007.49
5. Step 5: Solve for x
   x = 70,690,007.49/9,417.22
6. Step 6: Final answer
   x = 7,506.46