Finding the Fourth Proportional to 1,805.83, 2,492.10 and 1,009.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805.83 : 2,492.10 = 1,009.12 : x
2. Step 2: Convert to fraction form
   1,805.83/2,492.10 = 1,009.12/x
3. Step 3: Cross multiply
   1,805.83x = 2,492.10 × 1,009.12
4. Step 4: Simplify right side
   1,805.83x = 2,514,822.91
5. Step 5: Solve for x
   x = 2,514,822.91/1,805.83
6. Step 6: Final answer
   x = 1,392.61