Finding the Fourth Proportional to 2,360.78, 3,257.74 and 1,298.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,360.78 : 3,257.74 = 1,298.34 : x
2. Step 2: Convert to fraction form
   2,360.78/3,257.74 = 1,298.34/x
3. Step 3: Cross multiply
   2,360.78x = 3,257.74 × 1,298.34
4. Step 4: Simplify right side
   2,360.78x = 4,229,650.91
5. Step 5: Solve for x
   x = 4,229,650.91/2,360.78
6. Step 6: Final answer
   x = 1,791.64