Finding the Fourth Proportional to 5,149.05, 7,105.82 and 2,910.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,149.05 : 7,105.82 = 2,910.98 : x
2. Step 2: Convert to fraction form
   5,149.05/7,105.82 = 2,910.98/x
3. Step 3: Cross multiply
   5,149.05x = 7,105.82 × 2,910.98
4. Step 4: Simplify right side
   5,149.05x = 20,684,849.82
5. Step 5: Solve for x
   x = 20,684,849.82/5,149.05
6. Step 6: Final answer
   x = 4,017.22