Finding the Fourth Proportional to 16,922.50, 23,353.05 and 9,470.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,922.50 : 23,353.05 = 9,470.50 : x
2. Step 2: Convert to fraction form
   16,922.50/23,353.05 = 9,470.50/x
3. Step 3: Cross multiply
   16,922.50x = 23,353.05 × 9,470.50
4. Step 4: Simplify right side
   16,922.50x = 221,165,060.03
5. Step 5: Solve for x
   x = 221,165,060.03/16,922.50
6. Step 6: Final answer
   x = 13,069.29