Finding the Fourth Proportional to 22,817.63, 31,487.98 and 12,746.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,817.63 : 31,487.98 = 12,746.22 : x
2. Step 2: Convert to fraction form
   22,817.63/31,487.98 = 12,746.22/x
3. Step 3: Cross multiply
   22,817.63x = 31,487.98 × 12,746.22
4. Step 4: Simplify right side
   22,817.63x = 401,352,720.44
5. Step 5: Solve for x
   x = 401,352,720.44/22,817.63
6. Step 6: Final answer
   x = 17,589.59