Finding the Fourth Proportional to 3,967.83, 5,475.77 and 2,199.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,967.83 : 5,475.77 = 2,199.32 : x
2. Step 2: Convert to fraction form
   3,967.83/5,475.77 = 2,199.32/x
3. Step 3: Cross multiply
   3,967.83x = 5,475.77 × 2,199.32
4. Step 4: Simplify right side
   3,967.83x = 12,042,932.10
5. Step 5: Solve for x
   x = 12,042,932.10/3,967.83
6. Step 6: Final answer
   x = 3,035.14