Finding the Fourth Proportional to 2,375.78, 3,278.58 and 1,327.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,375.78 : 3,278.58 = 1,327.82 : x
2. Step 2: Convert to fraction form
   2,375.78/3,278.58 = 1,327.82/x
3. Step 3: Cross multiply
   2,375.78x = 3,278.58 × 1,327.82
4. Step 4: Simplify right side
   2,375.78x = 4,353,364.10
5. Step 5: Solve for x
   x = 4,353,364.10/2,375.78
6. Step 6: Final answer
   x = 1,832.39