Finding the Fourth Proportional to 22,802.50, 31,467.45 and 12,866.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,802.50 : 31,467.45 = 12,866.50 : x
2. Step 2: Convert to fraction form
   22,802.50/31,467.45 = 12,866.50/x
3. Step 3: Cross multiply
   22,802.50x = 31,467.45 × 12,866.50
4. Step 4: Simplify right side
   22,802.50x = 404,875,945.43
5. Step 5: Solve for x
   x = 404,875,945.43/22,802.50
6. Step 6: Final answer
   x = 17,755.77