Finding the Fourth Proportional to 2,455.47, 3,388.42 and 1,336.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,455.47 : 3,388.42 = 1,336.38 : x
2. Step 2: Convert to fraction form
   2,455.47/3,388.42 = 1,336.38/x
3. Step 3: Cross multiply
   2,455.47x = 3,388.42 × 1,336.38
4. Step 4: Simplify right side
   2,455.47x = 4,528,216.72
5. Step 5: Solve for x
   x = 4,528,216.72/2,455.47
6. Step 6: Final answer
   x = 1,844.13