Finding the Fourth Proportional to 3,947.76, 5,922.56 and 2,098.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,947.76 : 5,922.56 = 2,098.46 : x
2. Step 2: Convert to fraction form
   3,947.76/5,922.56 = 2,098.46/x
3. Step 3: Cross multiply
   3,947.76x = 5,922.56 × 2,098.46
4. Step 4: Simplify right side
   3,947.76x = 12,428,227.24
5. Step 5: Solve for x
   x = 12,428,227.24/3,947.76
6. Step 6: Final answer
   x = 3,148.17