Finding the Fourth Proportional to 1,043.34, 1,441.71 and 992.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,043.34 : 1,441.71 = 992.73 : x
2. Step 2: Convert to fraction form
   1,043.34/1,441.71 = 992.73/x
3. Step 3: Cross multiply
   1,043.34x = 1,441.71 × 992.73
4. Step 4: Simplify right side
   1,043.34x = 1,431,228.77
5. Step 5: Solve for x
   x = 1,431,228.77/1,043.34
6. Step 6: Final answer
   x = 1,371.78