Finding the Fourth Proportional to 9,417.48, 12,996.42 and 5,438.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,417.48 : 12,996.42 = 5,438.52 : x
2. Step 2: Convert to fraction form
   9,417.48/12,996.42 = 5,438.52/x
3. Step 3: Cross multiply
   9,417.48x = 12,996.42 × 5,438.52
4. Step 4: Simplify right side
   9,417.48x = 70,681,290.10
5. Step 5: Solve for x
   x = 70,681,290.10/9,417.48
6. Step 6: Final answer
   x = 7,505.33