Finding the Fourth Proportional to 5,248.73, 7,243.18 and 2,890.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,248.73 : 7,243.18 = 2,890.82 : x
2. Step 2: Convert to fraction form
   5,248.73/7,243.18 = 2,890.82/x
3. Step 3: Cross multiply
   5,248.73x = 7,243.18 × 2,890.82
4. Step 4: Simplify right side
   5,248.73x = 20,938,686.16
5. Step 5: Solve for x
   x = 20,938,686.16/5,248.73
6. Step 6: Final answer
   x = 3,989.29