Finding the Fourth Proportional to 2,371.72, 3,273.62 and 1,377.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,371.72 : 3,273.62 = 1,377.32 : x
2. Step 2: Convert to fraction form
   2,371.72/3,273.62 = 1,377.32/x
3. Step 3: Cross multiply
   2,371.72x = 3,273.62 × 1,377.32
4. Step 4: Simplify right side
   2,371.72x = 4,508,822.30
5. Step 5: Solve for x
   x = 4,508,822.30/2,371.72
6. Step 6: Final answer
   x = 1,901.08