Finding the Fourth Proportional to 2,418.78, 3,337.71 and 1,633.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,418.78 : 3,337.71 = 1,633.89 : x
2. Step 2: Convert to fraction form
   2,418.78/3,337.71 = 1,633.89/x
3. Step 3: Cross multiply
   2,418.78x = 3,337.71 × 1,633.89
4. Step 4: Simplify right side
   2,418.78x = 5,453,450.99
5. Step 5: Solve for x
   x = 5,453,450.99/2,418.78
6. Step 6: Final answer
   x = 2,254.63