Finding the Fourth Proportional to 22,468.35, 31,006.28 and 12,397.43

Step by Step Solution

1. Step 1: Write the proportion equation
   22,468.35 : 31,006.28 = 12,397.43 : x
2. Step 2: Convert to fraction form
   22,468.35/31,006.28 = 12,397.43/x
3. Step 3: Cross multiply
   22,468.35x = 31,006.28 × 12,397.43
4. Step 4: Simplify right side
   22,468.35x = 384,397,968.84
5. Step 5: Solve for x
   x = 384,397,968.84/22,468.35
6. Step 6: Final answer
   x = 17,108.42