Finding the Fourth Proportional to 9,518.91, 14,282.39 and 5,131.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,518.91 : 14,282.39 = 5,131.24 : x
2. Step 2: Convert to fraction form
   9,518.91/14,282.39 = 5,131.24/x
3. Step 3: Cross multiply
   9,518.91x = 14,282.39 × 5,131.24
4. Step 4: Simplify right side
   9,518.91x = 73,286,309.50
5. Step 5: Solve for x
   x = 73,286,309.50/9,518.91
6. Step 6: Final answer
   x = 7,699.02