Finding the Fourth Proportional to 1,373.81, 1,896.57 and 814.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.81 : 1,896.57 = 814.46 : x
2. Step 2: Convert to fraction form
   1,373.81/1,896.57 = 814.46/x
3. Step 3: Cross multiply
   1,373.81x = 1,896.57 × 814.46
4. Step 4: Simplify right side
   1,373.81x = 1,544,670.92
5. Step 5: Solve for x
   x = 1,544,670.92/1,373.81
6. Step 6: Final answer
   x = 1,124.37