Finding the Fourth Proportional to 5,579.37, 7,699.53 and 3,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,579.37 : 7,699.53 = 3,061.50 : x
2. Step 2: Convert to fraction form
   5,579.37/7,699.53 = 3,061.50/x
3. Step 3: Cross multiply
   5,579.37x = 7,699.53 × 3,061.50
4. Step 4: Simplify right side
   5,579.37x = 23,572,057.29
5. Step 5: Solve for x
   x = 23,572,057.29/5,579.37
6. Step 6: Final answer
   x = 4,224.86