Finding the Fourth Proportional to 16,501.39, 22,802.04 and 12,017.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,501.39 : 22,802.04 = 12,017.30 : x
2. Step 2: Convert to fraction form
   16,501.39/22,802.04 = 12,017.30/x
3. Step 3: Cross multiply
   16,501.39x = 22,802.04 × 12,017.30
4. Step 4: Simplify right side
   16,501.39x = 274,018,841.28
5. Step 5: Solve for x
   x = 274,018,841.28/16,501.39
6. Step 6: Final answer
   x = 16,605.81