Finding the Fourth Proportional to 22,165.62, 30,588.56 and 12,734.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,165.62 : 30,588.56 = 12,734.18 : x
2. Step 2: Convert to fraction form
   22,165.62/30,588.56 = 12,734.18/x
3. Step 3: Cross multiply
   22,165.62x = 30,588.56 × 12,734.18
4. Step 4: Simplify right side
   22,165.62x = 389,520,228.98
5. Step 5: Solve for x
   x = 389,520,228.98/22,165.62
6. Step 6: Final answer
   x = 17,573.17