Finding the Fourth Proportional to 2,286.18, 3,426.82 and 1,116.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,286.18 : 3,426.82 = 1,116.98 : x
2. Step 2: Convert to fraction form
   2,286.18/3,426.82 = 1,116.98/x
3. Step 3: Cross multiply
   2,286.18x = 3,426.82 × 1,116.98
4. Step 4: Simplify right side
   2,286.18x = 3,827,689.40
5. Step 5: Solve for x
   x = 3,827,689.40/2,286.18
6. Step 6: Final answer
   x = 1,674.27