Finding the Fourth Proportional to 9,609.18, 13,260.76 and 5,417.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,609.18 : 13,260.76 = 5,417.42 : x
2. Step 2: Convert to fraction form
   9,609.18/13,260.76 = 5,417.42/x
3. Step 3: Cross multiply
   9,609.18x = 13,260.76 × 5,417.42
4. Step 4: Simplify right side
   9,609.18x = 71,839,106.44
5. Step 5: Solve for x
   x = 71,839,106.44/9,609.18
6. Step 6: Final answer
   x = 7,476.09