Finding the Fourth Proportional to 10,357.92, 14,293.88 and 5,642.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,357.92 : 14,293.88 = 5,642.24 : x
2. Step 2: Convert to fraction form
   10,357.92/14,293.88 = 5,642.24/x
3. Step 3: Cross multiply
   10,357.92x = 14,293.88 × 5,642.24
4. Step 4: Simplify right side
   10,357.92x = 80,649,501.49
5. Step 5: Solve for x
   x = 80,649,501.49/10,357.92
6. Step 6: Final answer
   x = 7,786.26