Finding the Fourth Proportional to 2,494.89, 3,442.86 and 1,375.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,494.89 : 3,442.86 = 1,375.80 : x
2. Step 2: Convert to fraction form
   2,494.89/3,442.86 = 1,375.80/x
3. Step 3: Cross multiply
   2,494.89x = 3,442.86 × 1,375.80
4. Step 4: Simplify right side
   2,494.89x = 4,736,686.79
5. Step 5: Solve for x
   x = 4,736,686.79/2,494.89
6. Step 6: Final answer
   x = 1,898.56