Finding the Fourth Proportional to 1,796.98, 2,691.42 and 1,145.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,796.98 : 2,691.42 = 1,145.74 : x
2. Step 2: Convert to fraction form
   1,796.98/2,691.42 = 1,145.74/x
3. Step 3: Cross multiply
   1,796.98x = 2,691.42 × 1,145.74
4. Step 4: Simplify right side
   1,796.98x = 3,083,667.55
5. Step 5: Solve for x
   x = 3,083,667.55/1,796.98
6. Step 6: Final answer
   x = 1,716.03