Finding the Fourth Proportional to 5,667.03, 7,820.55 and 3,310.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,667.03 : 7,820.55 = 3,310.61 : x
2. Step 2: Convert to fraction form
   5,667.03/7,820.55 = 3,310.61/x
3. Step 3: Cross multiply
   5,667.03x = 7,820.55 × 3,310.61
4. Step 4: Simplify right side
   5,667.03x = 25,890,751.93
5. Step 5: Solve for x
   x = 25,890,751.93/5,667.03
6. Step 6: Final answer
   x = 4,568.66