Finding the Fourth Proportional to 9,119.38, 12,584.55 and 5,342.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,119.38 : 12,584.55 = 5,342.08 : x
2. Step 2: Convert to fraction form
   9,119.38/12,584.55 = 5,342.08/x
3. Step 3: Cross multiply
   9,119.38x = 12,584.55 × 5,342.08
4. Step 4: Simplify right side
   9,119.38x = 67,227,672.86
5. Step 5: Solve for x
   x = 67,227,672.86/9,119.38
6. Step 6: Final answer
   x = 7,371.96