Finding the Fourth Proportional to 16,912.50, 23,339.31 and 9,460.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,912.50 : 23,339.31 = 9,460.50 : x
2. Step 2: Convert to fraction form
   16,912.50/23,339.31 = 9,460.50/x
3. Step 3: Cross multiply
   16,912.50x = 23,339.31 × 9,460.50
4. Step 4: Simplify right side
   16,912.50x = 220,801,542.26
5. Step 5: Solve for x
   x = 220,801,542.26/16,912.50
6. Step 6: Final answer
   x = 13,055.52