Finding the Fourth Proportional to 16,740.43, 23,100.99 and 9,186.58

Step by Step Solution

1. Step 1: Write the proportion equation
   16,740.43 : 23,100.99 = 9,186.58 : x
2. Step 2: Convert to fraction form
   16,740.43/23,100.99 = 9,186.58/x
3. Step 3: Cross multiply
   16,740.43x = 23,100.99 × 9,186.58
4. Step 4: Simplify right side
   16,740.43x = 212,219,092.71
5. Step 5: Solve for x
   x = 212,219,092.71/16,740.43
6. Step 6: Final answer
   x = 12,677.04