Finding the Fourth Proportional to 2,372.16, 3,274.27 and 1,377.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,372.16 : 3,274.27 = 1,377.88 : x
2. Step 2: Convert to fraction form
   2,372.16/3,274.27 = 1,377.88/x
3. Step 3: Cross multiply
   2,372.16x = 3,274.27 × 1,377.88
4. Step 4: Simplify right side
   2,372.16x = 4,511,562.78
5. Step 5: Solve for x
   x = 4,511,562.78/2,372.16
6. Step 6: Final answer
   x = 1,901.88