Finding the Fourth Proportional to 3,330.82, 4,995.91 and 1,139.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,330.82 : 4,995.91 = 1,139.43 : x
2. Step 2: Convert to fraction form
   3,330.82/4,995.91 = 1,139.43/x
3. Step 3: Cross multiply
   3,330.82x = 4,995.91 × 1,139.43
4. Step 4: Simplify right side
   3,330.82x = 5,692,509.89
5. Step 5: Solve for x
   x = 5,692,509.89/3,330.82
6. Step 6: Final answer
   x = 1,709.04