Finding the Fourth Proportional to 16,740.50, 23,101.98 and 9,187.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,740.50 : 23,101.98 = 9,187.56 : x
2. Step 2: Convert to fraction form
   16,740.50/23,101.98 = 9,187.56/x
3. Step 3: Cross multiply
   16,740.50x = 23,101.98 × 9,187.56
4. Step 4: Simplify right side
   16,740.50x = 212,250,827.37
5. Step 5: Solve for x
   x = 212,250,827.37/16,740.50
6. Step 6: Final answer
   x = 12,678.88