Finding the Fourth Proportional to 3,338.86, 5,003.42 and 1,878.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,338.86 : 5,003.42 = 1,878.42 : x
2. Step 2: Convert to fraction form
   3,338.86/5,003.42 = 1,878.42/x
3. Step 3: Cross multiply
   3,338.86x = 5,003.42 × 1,878.42
4. Step 4: Simplify right side
   3,338.86x = 9,398,524.20
5. Step 5: Solve for x
   x = 9,398,524.20/3,338.86
6. Step 6: Final answer
   x = 2,814.89