Finding the Fourth Proportional to 3,345.42, 4,616.71 and 2,018.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,345.42 : 4,616.71 = 2,018.86 : x
2. Step 2: Convert to fraction form
   3,345.42/4,616.71 = 2,018.86/x
3. Step 3: Cross multiply
   3,345.42x = 4,616.71 × 2,018.86
4. Step 4: Simplify right side
   3,345.42x = 9,320,500.53
5. Step 5: Solve for x
   x = 9,320,500.53/3,345.42
6. Step 6: Final answer
   x = 2,786.05