Finding the Fourth Proportional to 10,277.72, 14,183.26 and 5,561.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,277.72 : 14,183.26 = 5,561.99 : x
2. Step 2: Convert to fraction form
   10,277.72/14,183.26 = 5,561.99/x
3. Step 3: Cross multiply
   10,277.72x = 14,183.26 × 5,561.99
4. Step 4: Simplify right side
   10,277.72x = 78,887,150.29
5. Step 5: Solve for x
   x = 78,887,150.29/10,277.72
6. Step 6: Final answer
   x = 7,675.55