Finding the Fourth Proportional to 5,143.91, 7,098.56 and 2,906.51

Step by Step Solution

1. Step 1: Write the proportion equation
   5,143.91 : 7,098.56 = 2,906.51 : x
2. Step 2: Convert to fraction form
   5,143.91/7,098.56 = 2,906.51/x
3. Step 3: Cross multiply
   5,143.91x = 7,098.56 × 2,906.51
4. Step 4: Simplify right side
   5,143.91x = 20,631,996.50
5. Step 5: Solve for x
   x = 20,631,996.50/5,143.91
6. Step 6: Final answer
   x = 4,010.96