Finding the Fourth Proportional to 2,455.59, 3,388.76 and 1,336.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,455.59 : 3,388.76 = 1,336.55 : x
2. Step 2: Convert to fraction form
   2,455.59/3,388.76 = 1,336.55/x
3. Step 3: Cross multiply
   2,455.59x = 3,388.76 × 1,336.55
4. Step 4: Simplify right side
   2,455.59x = 4,529,223.55
5. Step 5: Solve for x
   x = 4,529,223.55/2,455.59
6. Step 6: Final answer
   x = 1,844.45