Finding the Fourth Proportional to 22,164.88, 30,590.04 and 12,606.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,164.88 : 30,590.04 = 12,606.88 : x
2. Step 2: Convert to fraction form
   22,164.88/30,590.04 = 12,606.88/x
3. Step 3: Cross multiply
   22,164.88x = 30,590.04 × 12,606.88
4. Step 4: Simplify right side
   22,164.88x = 385,644,963.48
5. Step 5: Solve for x
   x = 385,644,963.48/22,164.88
6. Step 6: Final answer
   x = 17,398.92