Finding the Fourth Proportional to 2,287.02, 3,429.68 and 1,116.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287.02 : 3,429.68 = 1,116.70 : x
2. Step 2: Convert to fraction form
   2,287.02/3,429.68 = 1,116.70/x
3. Step 3: Cross multiply
   2,287.02x = 3,429.68 × 1,116.70
4. Step 4: Simplify right side
   2,287.02x = 3,829,923.66
5. Step 5: Solve for x
   x = 3,829,923.66/2,287.02
6. Step 6: Final answer
   x = 1,674.63