Finding the Fourth Proportional to 1,337.97, 1,847.43 and 1,042.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.97 : 1,847.43 = 1,042.73 : x
2. Step 2: Convert to fraction form
   1,337.97/1,847.43 = 1,042.73/x
3. Step 3: Cross multiply
   1,337.97x = 1,847.43 × 1,042.73
4. Step 4: Simplify right side
   1,337.97x = 1,926,368.37
5. Step 5: Solve for x
   x = 1,926,368.37/1,337.97
6. Step 6: Final answer
   x = 1,439.77