Finding the Fourth Proportional to 16,740.50, 23,101.89 and 9,288.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,740.50 : 23,101.89 = 9,288.50 : x
2. Step 2: Convert to fraction form
   16,740.50/23,101.89 = 9,288.50/x
3. Step 3: Cross multiply
   16,740.50x = 23,101.89 × 9,288.50
4. Step 4: Simplify right side
   16,740.50x = 214,581,905.27
5. Step 5: Solve for x
   x = 214,581,905.27/16,740.50
6. Step 6: Final answer
   x = 12,818.13