Finding the Fourth Proportional to 1,373.97, 1,895.78 and 814.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.97 : 1,895.78 = 814.61 : x
2. Step 2: Convert to fraction form
   1,373.97/1,895.78 = 814.61/x
3. Step 3: Cross multiply
   1,373.97x = 1,895.78 × 814.61
4. Step 4: Simplify right side
   1,373.97x = 1,544,321.35
5. Step 5: Solve for x
   x = 1,544,321.35/1,373.97
6. Step 6: Final answer
   x = 1,123.98