Finding the Fourth Proportional to 2,397.50, 3,308.40 and 1,349.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,397.50 : 3,308.40 = 1,349.63 : x
2. Step 2: Convert to fraction form
   2,397.50/3,308.40 = 1,349.63/x
3. Step 3: Cross multiply
   2,397.50x = 3,308.40 × 1,349.63
4. Step 4: Simplify right side
   2,397.50x = 4,465,099.35
5. Step 5: Solve for x
   x = 4,465,099.35/2,397.50
6. Step 6: Final answer
   x = 1,862.40