Finding the Fourth Proportional to 3,780.93, 5,216.83 and 2,418.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,780.93 : 5,216.83 = 2,418.78 : x
2. Step 2: Convert to fraction form
   3,780.93/5,216.83 = 2,418.78/x
3. Step 3: Cross multiply
   3,780.93x = 5,216.83 × 2,418.78
4. Step 4: Simplify right side
   3,780.93x = 12,618,364.07
5. Step 5: Solve for x
   x = 12,618,364.07/3,780.93
6. Step 6: Final answer
   x = 3,337.37