Finding the Fourth Proportional to 5,148.76, 7,105.10 and 2,910.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,148.76 : 7,105.10 = 2,910.16 : x
2. Step 2: Convert to fraction form
   5,148.76/7,105.10 = 2,910.16/x
3. Step 3: Cross multiply
   5,148.76x = 7,105.10 × 2,910.16
4. Step 4: Simplify right side
   5,148.76x = 20,676,942.29
5. Step 5: Solve for x
   x = 20,676,942.29/5,148.76
6. Step 6: Final answer
   x = 4,015.91