Finding the Fourth Proportional to 1,804.71, 2,490.40 and 1,008.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,804.71 : 2,490.40 = 1,008.01 : x
2. Step 2: Convert to fraction form
   1,804.71/2,490.40 = 1,008.01/x
3. Step 3: Cross multiply
   1,804.71x = 2,490.40 × 1,008.01
4. Step 4: Simplify right side
   1,804.71x = 2,510,348.10
5. Step 5: Solve for x
   x = 2,510,348.10/1,804.71
6. Step 6: Final answer
   x = 1,391.00