Finding the Fourth Proportional to 10,276.93, 14,182.20 and 5,561.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,276.93 : 14,182.20 = 5,561.21 : x
2. Step 2: Convert to fraction form
   10,276.93/14,182.20 = 5,561.21/x
3. Step 3: Cross multiply
   10,276.93x = 14,182.20 × 5,561.21
4. Step 4: Simplify right side
   10,276.93x = 78,870,241.82
5. Step 5: Solve for x
   x = 78,870,241.82/10,276.93
6. Step 6: Final answer
   x = 7,674.49