Finding the Fourth Proportional to 5,144.31, 7,098.62 and 2,906.43

Step by Step Solution

1. Step 1: Write the proportion equation
   5,144.31 : 7,098.62 = 2,906.43 : x
2. Step 2: Convert to fraction form
   5,144.31/7,098.62 = 2,906.43/x
3. Step 3: Cross multiply
   5,144.31x = 7,098.62 × 2,906.43
4. Step 4: Simplify right side
   5,144.31x = 20,631,627.59
5. Step 5: Solve for x
   x = 20,631,627.59/5,144.31
6. Step 6: Final answer
   x = 4,010.57