Finding the Fourth Proportional to 5,659.81, 8,487.56 and 3,061.33

Step by Step Solution

1. Step 1: Write the proportion equation
   5,659.81 : 8,487.56 = 3,061.33 : x
2. Step 2: Convert to fraction form
   5,659.81/8,487.56 = 3,061.33/x
3. Step 3: Cross multiply
   5,659.81x = 8,487.56 × 3,061.33
4. Step 4: Simplify right side
   5,659.81x = 25,983,206.75
5. Step 5: Solve for x
   x = 25,983,206.75/5,659.81
6. Step 6: Final answer
   x = 4,590.83