Finding the Fourth Proportional to 3,783.81, 5,219.59 and 2,418.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,783.81 : 5,219.59 = 2,418.52 : x
2. Step 2: Convert to fraction form
   3,783.81/5,219.59 = 2,418.52/x
3. Step 3: Cross multiply
   3,783.81x = 5,219.59 × 2,418.52
4. Step 4: Simplify right side
   3,783.81x = 12,623,682.81
5. Step 5: Solve for x
   x = 12,623,682.81/3,783.81
6. Step 6: Final answer
   x = 3,336.24