Finding the Fourth Proportional to 10,306.36, 14,222.82 and 5,591.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,306.36 : 14,222.82 = 5,591.08 : x
2. Step 2: Convert to fraction form
   10,306.36/14,222.82 = 5,591.08/x
3. Step 3: Cross multiply
   10,306.36x = 14,222.82 × 5,591.08
4. Step 4: Simplify right side
   10,306.36x = 79,520,924.45
5. Step 5: Solve for x
   x = 79,520,924.45/10,306.36
6. Step 6: Final answer
   x = 7,715.71