Finding the Fourth Proportional to 2,287.92, 3,426.84 and 1,116.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287.92 : 3,426.84 = 1,116.12 : x
2. Step 2: Convert to fraction form
   2,287.92/3,426.84 = 1,116.12/x
3. Step 3: Cross multiply
   2,287.92x = 3,426.84 × 1,116.12
4. Step 4: Simplify right side
   2,287.92x = 3,824,764.66
5. Step 5: Solve for x
   x = 3,824,764.66/2,287.92
6. Step 6: Final answer
   x = 1,671.72