Finding the Fourth Proportional to 5,789.51, 7,989.68 and 3,271.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,789.51 : 7,989.68 = 3,271.71 : x
2. Step 2: Convert to fraction form
   5,789.51/7,989.68 = 3,271.71/x
3. Step 3: Cross multiply
   5,789.51x = 7,989.68 × 3,271.71
4. Step 4: Simplify right side
   5,789.51x = 26,139,899.59
5. Step 5: Solve for x
   x = 26,139,899.59/5,789.51
6. Step 6: Final answer
   x = 4,515.05