Finding the Fourth Proportional to 5,144.56, 7,099.80 and 2,906.79

Step by Step Solution

1. Step 1: Write the proportion equation
   5,144.56 : 7,099.80 = 2,906.79 : x
2. Step 2: Convert to fraction form
   5,144.56/7,099.80 = 2,906.79/x
3. Step 3: Cross multiply
   5,144.56x = 7,099.80 × 2,906.79
4. Step 4: Simplify right side
   5,144.56x = 20,637,606.47
5. Step 5: Solve for x
   x = 20,637,606.47/5,144.56
6. Step 6: Final answer
   x = 4,011.54