Finding the Fourth Proportional to 2,412.12, 3,328.85 and 1,349.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,412.12 : 3,328.85 = 1,349.82 : x
2. Step 2: Convert to fraction form
   2,412.12/3,328.85 = 1,349.82/x
3. Step 3: Cross multiply
   2,412.12x = 3,328.85 × 1,349.82
4. Step 4: Simplify right side
   2,412.12x = 4,493,348.31
5. Step 5: Solve for x
   x = 4,493,348.31/2,412.12
6. Step 6: Final answer
   x = 1,862.82