Finding the Fourth Proportional to 2,418.81, 3,336.83 and 1,423.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,418.81 : 3,336.83 = 1,423.45 : x
2. Step 2: Convert to fraction form
   2,418.81/3,336.83 = 1,423.45/x
3. Step 3: Cross multiply
   2,418.81x = 3,336.83 × 1,423.45
4. Step 4: Simplify right side
   2,418.81x = 4,749,803.55
5. Step 5: Solve for x
   x = 4,749,803.55/2,418.81
6. Step 6: Final answer
   x = 1,963.70