Finding the Fourth Proportional to 16,897.57, 23,320.04 and 9,823.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,897.57 : 23,320.04 = 9,823.50 : x
2. Step 2: Convert to fraction form
   16,897.57/23,320.04 = 9,823.50/x
3. Step 3: Cross multiply
   16,897.57x = 23,320.04 × 9,823.50
4. Step 4: Simplify right side
   16,897.57x = 229,084,363.82
5. Step 5: Solve for x
   x = 229,084,363.82/16,897.57
6. Step 6: Final answer
   x = 13,557.24