Finding the Fourth Proportional to 2,468.78, 3,406.82 and 1,349.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,468.78 : 3,406.82 = 1,349.76 : x
2. Step 2: Convert to fraction form
   2,468.78/3,406.82 = 1,349.76/x
3. Step 3: Cross multiply
   2,468.78x = 3,406.82 × 1,349.76
4. Step 4: Simplify right side
   2,468.78x = 4,598,389.36
5. Step 5: Solve for x
   x = 4,598,389.36/2,468.78
6. Step 6: Final answer
   x = 1,862.62