Finding the Fourth Proportional to 22,418.51, 30,929.46 and 14,868.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,418.51 : 30,929.46 = 14,868.50 : x
2. Step 2: Convert to fraction form
   22,418.51/30,929.46 = 14,868.50/x
3. Step 3: Cross multiply
   22,418.51x = 30,929.46 × 14,868.50
4. Step 4: Simplify right side
   22,418.51x = 459,874,676.01
5. Step 5: Solve for x
   x = 459,874,676.01/22,418.51
6. Step 6: Final answer
   x = 20,513.17