Finding the Fourth Proportional to 5,574.56, 7,692.69 and 3,056.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,574.56 : 7,692.69 = 3,056.61 : x
2. Step 2: Convert to fraction form
   5,574.56/7,692.69 = 3,056.61/x
3. Step 3: Cross multiply
   5,574.56x = 7,692.69 × 3,056.61
4. Step 4: Simplify right side
   5,574.56x = 23,513,553.18
5. Step 5: Solve for x
   x = 23,513,553.18/5,574.56
6. Step 6: Final answer
   x = 4,218.01