Finding the Fourth Proportional to 2,375.42, 3,277.91 and 1,380.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,375.42 : 3,277.91 = 1,380.53 : x
2. Step 2: Convert to fraction form
   2,375.42/3,277.91 = 1,380.53/x
3. Step 3: Cross multiply
   2,375.42x = 3,277.91 × 1,380.53
4. Step 4: Simplify right side
   2,375.42x = 4,525,229.80
5. Step 5: Solve for x
   x = 4,525,229.80/2,375.42
6. Step 6: Final answer
   x = 1,905.03