Finding the Fourth Proportional to 21,804.34, 30,099.12 and 14,740.32

Step by Step Solution

1. Step 1: Write the proportion equation
   21,804.34 : 30,099.12 = 14,740.32 : x
2. Step 2: Convert to fraction form
   21,804.34/30,099.12 = 14,740.32/x
3. Step 3: Cross multiply
   21,804.34x = 30,099.12 × 14,740.32
4. Step 4: Simplify right side
   21,804.34x = 443,670,660.52
5. Step 5: Solve for x
   x = 443,670,660.52/21,804.34
6. Step 6: Final answer
   x = 20,347.81