Finding the Fourth Proportional to 2,375.31, 3,278.01 and 1,327.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,375.31 : 3,278.01 = 1,327.57 : x
2. Step 2: Convert to fraction form
   2,375.31/3,278.01 = 1,327.57/x
3. Step 3: Cross multiply
   2,375.31x = 3,278.01 × 1,327.57
4. Step 4: Simplify right side
   2,375.31x = 4,351,787.74
5. Step 5: Solve for x
   x = 4,351,787.74/2,375.31
6. Step 6: Final answer
   x = 1,832.09