Finding the Fourth Proportional to 1,337.45, 1,846.41 and 806.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.45 : 1,846.41 = 806.43 : x
2. Step 2: Convert to fraction form
   1,337.45/1,846.41 = 806.43/x
3. Step 3: Cross multiply
   1,337.45x = 1,846.41 × 806.43
4. Step 4: Simplify right side
   1,337.45x = 1,489,000.42
5. Step 5: Solve for x
   x = 1,489,000.42/1,337.45
6. Step 6: Final answer
   x = 1,113.31