Finding the Fourth Proportional to 5,144.91, 7,100.22 and 2,906.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,144.91 : 7,100.22 = 2,906.88 : x
2. Step 2: Convert to fraction form
   5,144.91/7,100.22 = 2,906.88/x
3. Step 3: Cross multiply
   5,144.91x = 7,100.22 × 2,906.88
4. Step 4: Simplify right side
   5,144.91x = 20,639,487.51
5. Step 5: Solve for x
   x = 20,639,487.51/5,144.91
6. Step 6: Final answer
   x = 4,011.63