Finding the Fourth Proportional to 22,889.23, 31,586.77 and 12,817.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,889.23 : 31,586.77 = 12,817.59 : x
2. Step 2: Convert to fraction form
   22,889.23/31,586.77 = 12,817.59/x
3. Step 3: Cross multiply
   22,889.23x = 31,586.77 × 12,817.59
4. Step 4: Simplify right side
   22,889.23x = 404,866,160.67
5. Step 5: Solve for x
   x = 404,866,160.67/22,889.23
6. Step 6: Final answer
   x = 17,688.06