Finding the Fourth Proportional to 2,490.71, 3,437.22 and 1,371.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490.71 : 3,437.22 = 1,371.69 : x
2. Step 2: Convert to fraction form
   2,490.71/3,437.22 = 1,371.69/x
3. Step 3: Cross multiply
   2,490.71x = 3,437.22 × 1,371.69
4. Step 4: Simplify right side
   2,490.71x = 4,714,800.30
5. Step 5: Solve for x
   x = 4,714,800.30/2,490.71
6. Step 6: Final answer
   x = 1,892.96