Finding the Fourth Proportional to 2,283.46, 3,426.03 and 1,187.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,283.46 : 3,426.03 = 1,187.12 : x
2. Step 2: Convert to fraction form
   2,283.46/3,426.03 = 1,187.12/x
3. Step 3: Cross multiply
   2,283.46x = 3,426.03 × 1,187.12
4. Step 4: Simplify right side
   2,283.46x = 4,067,117.30
5. Step 5: Solve for x
   x = 4,067,117.30/2,283.46
6. Step 6: Final answer
   x = 1,781.12