Finding the Fourth Proportional to 12,150, 18,232.56 and 5,224.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,150 : 18,232.56 = 5,224.56 : x
2. Step 2: Convert to fraction form
   12,150/18,232.56 = 5,224.56/x
3. Step 3: Cross multiply
   12,150x = 18,232.56 × 5,224.56
4. Step 4: Simplify right side
   12,150x = 95,257,103.67
5. Step 5: Solve for x
   x = 95,257,103.67/12,150
6. Step 6: Final answer
   x = 7,840.09