Finding the Fourth Proportional to 5,144.87, 7,099.88 and 2,906.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,144.87 : 7,099.88 = 2,906.71 : x
2. Step 2: Convert to fraction form
   5,144.87/7,099.88 = 2,906.71/x
3. Step 3: Cross multiply
   5,144.87x = 7,099.88 × 2,906.71
4. Step 4: Simplify right side
   5,144.87x = 20,637,259.91
5. Step 5: Solve for x
   x = 20,637,259.91/5,144.87
6. Step 6: Final answer
   x = 4,011.23