Finding the Fourth Proportional to 6,101.83, 8,421.43 and 3,863.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,101.83 : 8,421.43 = 3,863.91 : x
2. Step 2: Convert to fraction form
   6,101.83/8,421.43 = 3,863.91/x
3. Step 3: Cross multiply
   6,101.83x = 8,421.43 × 3,863.91
4. Step 4: Simplify right side
   6,101.83x = 32,539,628.27
5. Step 5: Solve for x
   x = 32,539,628.27/6,101.83
6. Step 6: Final answer
   x = 5,332.77