Finding the Fourth Proportional to 10,353.69, 15,528.78 and 5,087.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,353.69 : 15,528.78 = 5,087.34 : x
2. Step 2: Convert to fraction form
   10,353.69/15,528.78 = 5,087.34/x
3. Step 3: Cross multiply
   10,353.69x = 15,528.78 × 5,087.34
4. Step 4: Simplify right side
   10,353.69x = 79,000,183.65
5. Step 5: Solve for x
   x = 79,000,183.65/10,353.69
6. Step 6: Final answer
   x = 7,630.15