Finding the Fourth Proportional to 1,337.37, 1,845.72 and 813.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.37 : 1,845.72 = 813.69 : x
2. Step 2: Convert to fraction form
   1,337.37/1,845.72 = 813.69/x
3. Step 3: Cross multiply
   1,337.37x = 1,845.72 × 813.69
4. Step 4: Simplify right side
   1,337.37x = 1,501,843.91
5. Step 5: Solve for x
   x = 1,501,843.91/1,337.37
6. Step 6: Final answer
   x = 1,122.98