Finding the Fourth Proportional to 2,012.38, 2,776.12 and 1,304.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.38 : 2,776.12 = 1,304.17 : x
2. Step 2: Convert to fraction form
   2,012.38/2,776.12 = 1,304.17/x
3. Step 3: Cross multiply
   2,012.38x = 2,776.12 × 1,304.17
4. Step 4: Simplify right side
   2,012.38x = 3,620,535.41
5. Step 5: Solve for x
   x = 3,620,535.41/2,012.38
6. Step 6: Final answer
   x = 1,799.13