Finding the Fourth Proportional to 16,300.09, 22,486.98 and 12,516.58

Step by Step Solution

1. Step 1: Write the proportion equation
   16,300.09 : 22,486.98 = 12,516.58 : x
2. Step 2: Convert to fraction form
   16,300.09/22,486.98 = 12,516.58/x
3. Step 3: Cross multiply
   16,300.09x = 22,486.98 × 12,516.58
4. Step 4: Simplify right side
   16,300.09x = 281,460,084.13
5. Step 5: Solve for x
   x = 281,460,084.13/16,300.09
6. Step 6: Final answer
   x = 17,267.39