Finding the Fourth Proportional to 3,873.39, 5,783.86 and 3,042.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,873.39 : 5,783.86 = 3,042.33 : x
2. Step 2: Convert to fraction form
   3,873.39/5,783.86 = 3,042.33/x
3. Step 3: Cross multiply
   3,873.39x = 5,783.86 × 3,042.33
4. Step 4: Simplify right side
   3,873.39x = 17,596,410.79
5. Step 5: Solve for x
   x = 17,596,410.79/3,873.39
6. Step 6: Final answer
   x = 4,542.90