Finding the Fourth Proportional to 12,327.12, 17,011.86 and 7,022.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,327.12 : 17,011.86 = 7,022.76 : x
2. Step 2: Convert to fraction form
   12,327.12/17,011.86 = 7,022.76/x
3. Step 3: Cross multiply
   12,327.12x = 17,011.86 × 7,022.76
4. Step 4: Simplify right side
   12,327.12x = 119,470,209.93
5. Step 5: Solve for x
   x = 119,470,209.93/12,327.12
6. Step 6: Final answer
   x = 9,691.66