Finding the Fourth Proportional to 16,957.50, 23,402.07 and 9,505.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,957.50 : 23,402.07 = 9,505.50 : x
2. Step 2: Convert to fraction form
   16,957.50/23,402.07 = 9,505.50/x
3. Step 3: Cross multiply
   16,957.50x = 23,402.07 × 9,505.50
4. Step 4: Simplify right side
   16,957.50x = 222,448,376.39
5. Step 5: Solve for x
   x = 222,448,376.39/16,957.50
6. Step 6: Final answer
   x = 13,117.99