Finding the Fourth Proportional to 5,571.56, 7,688.83 and 3,053.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,571.56 : 7,688.83 = 3,053.61 : x
2. Step 2: Convert to fraction form
   5,571.56/7,688.83 = 3,053.61/x
3. Step 3: Cross multiply
   5,571.56x = 7,688.83 × 3,053.61
4. Step 4: Simplify right side
   5,571.56x = 23,478,688.18
5. Step 5: Solve for x
   x = 23,478,688.18/5,571.56
6. Step 6: Final answer
   x = 4,214.02