Finding the Fourth Proportional to 8,875.72, 12,249.12 and 5,099.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,875.72 : 12,249.12 = 5,099.52 : x
2. Step 2: Convert to fraction form
   8,875.72/12,249.12 = 5,099.52/x
3. Step 3: Cross multiply
   8,875.72x = 12,249.12 × 5,099.52
4. Step 4: Simplify right side
   8,875.72x = 62,464,632.42
5. Step 5: Solve for x
   x = 62,464,632.42/8,875.72
6. Step 6: Final answer
   x = 7,037.70