Finding the Fourth Proportional to 1,081.86, 1,492.43 and 882.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,081.86 : 1,492.43 = 882.96 : x
2. Step 2: Convert to fraction form
   1,081.86/1,492.43 = 882.96/x
3. Step 3: Cross multiply
   1,081.86x = 1,492.43 × 882.96
4. Step 4: Simplify right side
   1,081.86x = 1,317,751.58
5. Step 5: Solve for x
   x = 1,317,751.58/1,081.86
6. Step 6: Final answer
   x = 1,218.04