Finding the Fourth Proportional to 5,667.88, 7,820.47 and 3,308.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,667.88 : 7,820.47 = 3,308.96 : x
2. Step 2: Convert to fraction form
   5,667.88/7,820.47 = 3,308.96/x
3. Step 3: Cross multiply
   5,667.88x = 7,820.47 × 3,308.96
4. Step 4: Simplify right side
   5,667.88x = 25,877,622.41
5. Step 5: Solve for x
   x = 25,877,622.41/5,667.88
6. Step 6: Final answer
   x = 4,565.66