Finding the Fourth Proportional to 2,375.82, 3,278.52 and 1,313.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,375.82 : 3,278.52 = 1,313.58 : x
2. Step 2: Convert to fraction form
   2,375.82/3,278.52 = 1,313.58/x
3. Step 3: Cross multiply
   2,375.82x = 3,278.52 × 1,313.58
4. Step 4: Simplify right side
   2,375.82x = 4,306,598.30
5. Step 5: Solve for x
   x = 4,306,598.30/2,375.82
6. Step 6: Final answer
   x = 1,812.68