Finding the Fourth Proportional to 21,801.55, 30,095.28 and 14,737.54

Step by Step Solution

1. Step 1: Write the proportion equation
   21,801.55 : 30,095.28 = 14,737.54 : x
2. Step 2: Convert to fraction form
   21,801.55/30,095.28 = 14,737.54/x
3. Step 3: Cross multiply
   21,801.55x = 30,095.28 × 14,737.54
4. Step 4: Simplify right side
   21,801.55x = 443,530,392.81
5. Step 5: Solve for x
   x = 443,530,392.81/21,801.55
6. Step 6: Final answer
   x = 20,343.98