Finding the Fourth Proportional to 10,931.52, 16,404.12 and 5,007.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,931.52 : 16,404.12 = 5,007.48 : x
2. Step 2: Convert to fraction form
   10,931.52/16,404.12 = 5,007.48/x
3. Step 3: Cross multiply
   10,931.52x = 16,404.12 × 5,007.48
4. Step 4: Simplify right side
   10,931.52x = 82,143,302.82
5. Step 5: Solve for x
   x = 82,143,302.82/10,931.52
6. Step 6: Final answer
   x = 7,514.35