Finding the Fourth Proportional to 2,455.50, 3,388.59 and 1,351.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,455.50 : 3,388.59 = 1,351.50 : x
2. Step 2: Convert to fraction form
   2,455.50/3,388.59 = 1,351.50/x
3. Step 3: Cross multiply
   2,455.50x = 3,388.59 × 1,351.50
4. Step 4: Simplify right side
   2,455.50x = 4,579,679.39
5. Step 5: Solve for x
   x = 4,579,679.39/2,455.50
6. Step 6: Final answer
   x = 1,865.07