Finding the Fourth Proportional to 1,373.94, 1,895.79 and 814.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.94 : 1,895.79 = 814.43 : x
2. Step 2: Convert to fraction form
   1,373.94/1,895.79 = 814.43/x
3. Step 3: Cross multiply
   1,373.94x = 1,895.79 × 814.43
4. Step 4: Simplify right side
   1,373.94x = 1,543,984.18
5. Step 5: Solve for x
   x = 1,543,984.18/1,373.94
6. Step 6: Final answer
   x = 1,123.76