Finding the Fourth Proportional to 2,318.16, 3,472.89 and 1,146.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,318.16 : 3,472.89 = 1,146.80 : x
2. Step 2: Convert to fraction form
   2,318.16/3,472.89 = 1,146.80/x
3. Step 3: Cross multiply
   2,318.16x = 3,472.89 × 1,146.80
4. Step 4: Simplify right side
   2,318.16x = 3,982,692.89
5. Step 5: Solve for x
   x = 3,982,692.89/2,318.16
6. Step 6: Final answer
   x = 1,718.04