Finding the Fourth Proportional to 10,240.48, 14,131.74 and 5,764.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,240.48 : 14,131.74 = 5,764.24 : x
2. Step 2: Convert to fraction form
   10,240.48/14,131.74 = 5,764.24/x
3. Step 3: Cross multiply
   10,240.48x = 14,131.74 × 5,764.24
4. Step 4: Simplify right side
   10,240.48x = 81,458,740.98
5. Step 5: Solve for x
   x = 81,458,740.98/10,240.48
6. Step 6: Final answer
   x = 7,954.58