Finding the Fourth Proportional to 1,805.22, 2,490.30 and 1,141.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805.22 : 2,490.30 = 1,141.83 : x
2. Step 2: Convert to fraction form
   1,805.22/2,490.30 = 1,141.83/x
3. Step 3: Cross multiply
   1,805.22x = 2,490.30 × 1,141.83
4. Step 4: Simplify right side
   1,805.22x = 2,843,499.25
5. Step 5: Solve for x
   x = 2,843,499.25/1,805.22
6. Step 6: Final answer
   x = 1,575.15