Finding the Fourth Proportional to 1,337.46, 1,845.36 and 813.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.46 : 1,845.36 = 813.42 : x
2. Step 2: Convert to fraction form
   1,337.46/1,845.36 = 813.42/x
3. Step 3: Cross multiply
   1,337.46x = 1,845.36 × 813.42
4. Step 4: Simplify right side
   1,337.46x = 1,501,052.73
5. Step 5: Solve for x
   x = 1,501,052.73/1,337.46
6. Step 6: Final answer
   x = 1,122.32