Finding the Fourth Proportional to 5,148.62, 7,105.15 and 2,910.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,148.62 : 7,105.15 = 2,910.52 : x
2. Step 2: Convert to fraction form
   5,148.62/7,105.15 = 2,910.52/x
3. Step 3: Cross multiply
   5,148.62x = 7,105.15 × 2,910.52
4. Step 4: Simplify right side
   5,148.62x = 20,679,681.18
5. Step 5: Solve for x
   x = 20,679,681.18/5,148.62
6. Step 6: Final answer
   x = 4,016.55