Finding the Fourth Proportional to 2,456.73, 3,390.30 and 1,337.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.73 : 3,390.30 = 1,337.67 : x
2. Step 2: Convert to fraction form
   2,456.73/3,390.30 = 1,337.67/x
3. Step 3: Cross multiply
   2,456.73x = 3,390.30 × 1,337.67
4. Step 4: Simplify right side
   2,456.73x = 4,535,102.60
5. Step 5: Solve for x
   x = 4,535,102.60/2,456.73
6. Step 6: Final answer
   x = 1,845.99