Finding the Fourth Proportional to 3,881.77, 5,815.37 and 3,011.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,881.77 : 5,815.37 = 3,011.83 : x
2. Step 2: Convert to fraction form
   3,881.77/5,815.37 = 3,011.83/x
3. Step 3: Cross multiply
   3,881.77x = 5,815.37 × 3,011.83
4. Step 4: Simplify right side
   3,881.77x = 17,514,890.77
5. Step 5: Solve for x
   x = 17,514,890.77/3,881.77
6. Step 6: Final answer
   x = 4,512.09