Finding the Fourth Proportional to 12,008.84, 18,003.18 and 4,222.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,008.84 : 18,003.18 = 4,222.76 : x
2. Step 2: Convert to fraction form
   12,008.84/18,003.18 = 4,222.76/x
3. Step 3: Cross multiply
   12,008.84x = 18,003.18 × 4,222.76
4. Step 4: Simplify right side
   12,008.84x = 76,023,108.38
5. Step 5: Solve for x
   x = 76,023,108.38/12,008.84
6. Step 6: Final answer
   x = 6,330.60