Finding the Fourth Proportional to 22,754.82, 31,404.18 and 12,684.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,754.82 : 31,404.18 = 12,684.18 : x
2. Step 2: Convert to fraction form
   22,754.82/31,404.18 = 12,684.18/x
3. Step 3: Cross multiply
   22,754.82x = 31,404.18 × 12,684.18
4. Step 4: Simplify right side
   22,754.82x = 398,336,271.87
5. Step 5: Solve for x
   x = 398,336,271.87/22,754.82
6. Step 6: Final answer
   x = 17,505.58