Finding the Fourth Proportional to 5,577.28, 7,696.86 and 3,059.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,577.28 : 7,696.86 = 3,059.50 : x
2. Step 2: Convert to fraction form
   5,577.28/7,696.86 = 3,059.50/x
3. Step 3: Cross multiply
   5,577.28x = 7,696.86 × 3,059.50
4. Step 4: Simplify right side
   5,577.28x = 23,548,504.69
5. Step 5: Solve for x
   x = 23,548,504.69/5,577.28
6. Step 6: Final answer
   x = 4,222.22