Finding the Fourth Proportional to 10,304.77, 14,220.59 and 5,589.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,304.77 : 14,220.59 = 5,589.05 : x
2. Step 2: Convert to fraction form
   10,304.77/14,220.59 = 5,589.05/x
3. Step 3: Cross multiply
   10,304.77x = 14,220.59 × 5,589.05
4. Step 4: Simplify right side
   10,304.77x = 79,479,489.49
5. Step 5: Solve for x
   x = 79,479,489.49/10,304.77
6. Step 6: Final answer
   x = 7,712.89