Finding the Fourth Proportional to 10,276.80, 14,182.06 and 5,561.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,276.80 : 14,182.06 = 5,561.06 : x
2. Step 2: Convert to fraction form
   10,276.80/14,182.06 = 5,561.06/x
3. Step 3: Cross multiply
   10,276.80x = 14,182.06 × 5,561.06
4. Step 4: Simplify right side
   10,276.80x = 78,867,286.58
5. Step 5: Solve for x
   x = 78,867,286.58/10,276.80
6. Step 6: Final answer
   x = 7,674.30