Finding the Fourth Proportional to 5,144.74, 7,100.84 and 2,906.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,144.74 : 7,100.84 = 2,906.71 : x
2. Step 2: Convert to fraction form
   5,144.74/7,100.84 = 2,906.71/x
3. Step 3: Cross multiply
   5,144.74x = 7,100.84 × 2,906.71
4. Step 4: Simplify right side
   5,144.74x = 20,640,072.15
5. Step 5: Solve for x
   x = 20,640,072.15/5,144.74
6. Step 6: Final answer
   x = 4,011.88