Finding the Fourth Proportional to 1,340.46, 1,849.50 and 816.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340.46 : 1,849.50 = 816.12 : x
2. Step 2: Convert to fraction form
   1,340.46/1,849.50 = 816.12/x
3. Step 3: Cross multiply
   1,340.46x = 1,849.50 × 816.12
4. Step 4: Simplify right side
   1,340.46x = 1,509,413.94
5. Step 5: Solve for x
   x = 1,509,413.94/1,340.46
6. Step 6: Final answer
   x = 1,126.04