Finding the Fourth Proportional to 5,147.48, 7,104.54 and 2,909.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,147.48 : 7,104.54 = 2,909.38 : x
2. Step 2: Convert to fraction form
   5,147.48/7,104.54 = 2,909.38/x
3. Step 3: Cross multiply
   5,147.48x = 7,104.54 × 2,909.38
4. Step 4: Simplify right side
   5,147.48x = 20,669,806.59
5. Step 5: Solve for x
   x = 20,669,806.59/5,147.48
6. Step 6: Final answer
   x = 4,015.52