Finding the Fourth Proportional to 1,805.00, 2,490.94 and 1,019.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805.00 : 2,490.94 = 1,019.05 : x
2. Step 2: Convert to fraction form
   1,805.00/2,490.94 = 1,019.05/x
3. Step 3: Cross multiply
   1,805.00x = 2,490.94 × 1,019.05
4. Step 4: Simplify right side
   1,805.00x = 2,538,381.72
5. Step 5: Solve for x
   x = 2,538,381.72/1,805.00
6. Step 6: Final answer
   x = 1,406.31