Finding the Fourth Proportional to 1,340.22, 1,849.65 and 816.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340.22 : 1,849.65 = 816.24 : x
2. Step 2: Convert to fraction form
   1,340.22/1,849.65 = 816.24/x
3. Step 3: Cross multiply
   1,340.22x = 1,849.65 × 816.24
4. Step 4: Simplify right side
   1,340.22x = 1,509,758.32
5. Step 5: Solve for x
   x = 1,509,758.32/1,340.22
6. Step 6: Final answer
   x = 1,126.50