Finding the Fourth Proportional to 16,314.84, 22,516.05 and 9,144.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,314.84 : 22,516.05 = 9,144.72 : x
2. Step 2: Convert to fraction form
   16,314.84/22,516.05 = 9,144.72/x
3. Step 3: Cross multiply
   16,314.84x = 22,516.05 × 9,144.72
4. Step 4: Simplify right side
   16,314.84x = 205,902,972.76
5. Step 5: Solve for x
   x = 205,902,972.76/16,314.84
6. Step 6: Final answer
   x = 12,620.59