Finding the Fourth Proportional to 1,344.92, 1,855.59 and 814.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,344.92 : 1,855.59 = 814.01 : x
2. Step 2: Convert to fraction form
   1,344.92/1,855.59 = 814.01/x
3. Step 3: Cross multiply
   1,344.92x = 1,855.59 × 814.01
4. Step 4: Simplify right side
   1,344.92x = 1,510,459.54
5. Step 5: Solve for x
   x = 1,510,459.54/1,344.92
6. Step 6: Final answer
   x = 1,123.09