Finding the Fourth Proportional to 1,805.82, 2,492.23 and 1,059.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805.82 : 2,492.23 = 1,059.90 : x
2. Step 2: Convert to fraction form
   1,805.82/2,492.23 = 1,059.90/x
3. Step 3: Cross multiply
   1,805.82x = 2,492.23 × 1,059.90
4. Step 4: Simplify right side
   1,805.82x = 2,641,514.58
5. Step 5: Solve for x
   x = 2,641,514.58/1,805.82
6. Step 6: Final answer
   x = 1,462.78