Finding the Fourth Proportional to 2,490.02, 3,436.24 and 1,371.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490.02 : 3,436.24 = 1,371.07 : x
2. Step 2: Convert to fraction form
   2,490.02/3,436.24 = 1,371.07/x
3. Step 3: Cross multiply
   2,490.02x = 3,436.24 × 1,371.07
4. Step 4: Simplify right side
   2,490.02x = 4,711,325.58
5. Step 5: Solve for x
   x = 4,711,325.58/2,490.02
6. Step 6: Final answer
   x = 1,892.08