Finding the Fourth Proportional to 22,929.90, 31,644.72 and 14,993.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,929.90 : 31,644.72 = 14,993.52 : x
2. Step 2: Convert to fraction form
   22,929.90/31,644.72 = 14,993.52/x
3. Step 3: Cross multiply
   22,929.90x = 31,644.72 × 14,993.52
4. Step 4: Simplify right side
   22,929.90x = 474,465,742.21
5. Step 5: Solve for x
   x = 474,465,742.21/22,929.90
6. Step 6: Final answer
   x = 20,692.01