Finding the Fourth Proportional to 5,579.34, 7,699.41 and 3,061.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,579.34 : 7,699.41 = 3,061.47 : x
2. Step 2: Convert to fraction form
   5,579.34/7,699.41 = 3,061.47/x
3. Step 3: Cross multiply
   5,579.34x = 7,699.41 × 3,061.47
4. Step 4: Simplify right side
   5,579.34x = 23,571,512.73
5. Step 5: Solve for x
   x = 23,571,512.73/5,579.34
6. Step 6: Final answer
   x = 4,224.79