Finding the Fourth Proportional to 2,397.72, 3,308.86 and 1,349.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,397.72 : 3,308.86 = 1,349.76 : x
2. Step 2: Convert to fraction form
   2,397.72/3,308.86 = 1,349.76/x
3. Step 3: Cross multiply
   2,397.72x = 3,308.86 × 1,349.76
4. Step 4: Simplify right side
   2,397.72x = 4,466,166.87
5. Step 5: Solve for x
   x = 4,466,166.87/2,397.72
6. Step 6: Final answer
   x = 1,862.67