Finding the Fourth Proportional to 10,380.96, 15,567.72 and 3,805.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,380.96 : 15,567.72 = 3,805.68 : x
2. Step 2: Convert to fraction form
   10,380.96/15,567.72 = 3,805.68/x
3. Step 3: Cross multiply
   10,380.96x = 15,567.72 × 3,805.68
4. Step 4: Simplify right side
   10,380.96x = 59,245,760.65
5. Step 5: Solve for x
   x = 59,245,760.65/10,380.96
6. Step 6: Final answer
   x = 5,707.16