Finding the Fourth Proportional to 2,698.09, 3,719.63 and 2,098.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,698.09 : 3,719.63 = 2,098.72 : x
2. Step 2: Convert to fraction form
   2,698.09/3,719.63 = 2,098.72/x
3. Step 3: Cross multiply
   2,698.09x = 3,719.63 × 2,098.72
4. Step 4: Simplify right side
   2,698.09x = 7,806,451.38
5. Step 5: Solve for x
   x = 7,806,451.38/2,698.09
6. Step 6: Final answer
   x = 2,893.33