Finding the Fourth Proportional to 7,742.08, 10,687.33 and 5,227.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,742.08 : 10,687.33 = 5,227.59 : x
2. Step 2: Convert to fraction form
   7,742.08/10,687.33 = 5,227.59/x
3. Step 3: Cross multiply
   7,742.08x = 10,687.33 × 5,227.59
4. Step 4: Simplify right side
   7,742.08x = 55,869,010.69
5. Step 5: Solve for x
   x = 55,869,010.69/7,742.08
6. Step 6: Final answer
   x = 7,216.28