Finding the Fourth Proportional to 4,066.83, 5,615.80 and 3,181.10

Step by Step Solution

1. Step 1: Write the proportion equation
   4,066.83 : 5,615.80 = 3,181.10 : x
2. Step 2: Convert to fraction form
   4,066.83/5,615.80 = 3,181.10/x
3. Step 3: Cross multiply
   4,066.83x = 5,615.80 × 3,181.10
4. Step 4: Simplify right side
   4,066.83x = 17,864,385.35
5. Step 5: Solve for x
   x = 17,864,385.35/4,066.83
6. Step 6: Final answer
   x = 4,392.71