Finding the Fourth Proportional to 1,796.66, 2,479.89 and 1,098.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,796.66 : 2,479.89 = 1,098.74 : x
2. Step 2: Convert to fraction form
   1,796.66/2,479.89 = 1,098.74/x
3. Step 3: Cross multiply
   1,796.66x = 2,479.89 × 1,098.74
4. Step 4: Simplify right side
   1,796.66x = 2,724,754.34
5. Step 5: Solve for x
   x = 2,724,754.34/1,796.66
6. Step 6: Final answer
   x = 1,516.57