Finding the Fourth Proportional to 2,098.50, 3,148.31 and 1,868.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,098.50 : 3,148.31 = 1,868.96 : x
2. Step 2: Convert to fraction form
   2,098.50/3,148.31 = 1,868.96/x
3. Step 3: Cross multiply
   2,098.50x = 3,148.31 × 1,868.96
4. Step 4: Simplify right side
   2,098.50x = 5,884,078.00
5. Step 5: Solve for x
   x = 5,884,078.00/2,098.50
6. Step 6: Final answer
   x = 2,803.94