Finding the Fourth Proportional to 1,337.78, 1,846.25 and 740.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.78 : 1,846.25 = 740.31 : x
2. Step 2: Convert to fraction form
   1,337.78/1,846.25 = 740.31/x
3. Step 3: Cross multiply
   1,337.78x = 1,846.25 × 740.31
4. Step 4: Simplify right side
   1,337.78x = 1,366,793.64
5. Step 5: Solve for x
   x = 1,366,793.64/1,337.78
6. Step 6: Final answer
   x = 1,021.69