Finding the Fourth Proportional to 13,212.84, 18,234.18 and 7,244.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,212.84 : 18,234.18 = 7,244.52 : x
2. Step 2: Convert to fraction form
   13,212.84/18,234.18 = 7,244.52/x
3. Step 3: Cross multiply
   13,212.84x = 18,234.18 × 7,244.52
4. Step 4: Simplify right side
   13,212.84x = 132,097,881.69
5. Step 5: Solve for x
   x = 132,097,881.69/13,212.84
6. Step 6: Final answer
   x = 9,997.69