Finding the Fourth Proportional to 5,579.34, 7,699.67 and 3,061.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,579.34 : 7,699.67 = 3,061.47 : x
2. Step 2: Convert to fraction form
   5,579.34/7,699.67 = 3,061.47/x
3. Step 3: Cross multiply
   5,579.34x = 7,699.67 × 3,061.47
4. Step 4: Simplify right side
   5,579.34x = 23,572,308.71
5. Step 5: Solve for x
   x = 23,572,308.71/5,579.34
6. Step 6: Final answer
   x = 4,224.93