Finding the Fourth Proportional to 1,804.91, 2,490.82 and 1,105.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,804.91 : 2,490.82 = 1,105.88 : x
2. Step 2: Convert to fraction form
   1,804.91/2,490.82 = 1,105.88/x
3. Step 3: Cross multiply
   1,804.91x = 2,490.82 × 1,105.88
4. Step 4: Simplify right side
   1,804.91x = 2,754,532.80
5. Step 5: Solve for x
   x = 2,754,532.80/1,804.91
6. Step 6: Final answer
   x = 1,526.14