Finding the Fourth Proportional to 1,084.50, 1,492.83 and 818.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084.50 : 1,492.83 = 818.82 : x
2. Step 2: Convert to fraction form
   1,084.50/1,492.83 = 818.82/x
3. Step 3: Cross multiply
   1,084.50x = 1,492.83 × 818.82
4. Step 4: Simplify right side
   1,084.50x = 1,222,359.06
5. Step 5: Solve for x
   x = 1,222,359.06/1,084.50
6. Step 6: Final answer
   x = 1,127.12