Finding the Fourth Proportional to 5,609.33, 7,740.52 and 3,091.29

Step by Step Solution

1. Step 1: Write the proportion equation
   5,609.33 : 7,740.52 = 3,091.29 : x
2. Step 2: Convert to fraction form
   5,609.33/7,740.52 = 3,091.29/x
3. Step 3: Cross multiply
   5,609.33x = 7,740.52 × 3,091.29
4. Step 4: Simplify right side
   5,609.33x = 23,928,221.10
5. Step 5: Solve for x
   x = 23,928,221.10/5,609.33
6. Step 6: Final answer
   x = 4,265.79