Finding the Fourth Proportional to 21,846.66, 30,124.56 and 14,760.78

Step by Step Solution

1. Step 1: Write the proportion equation
   21,846.66 : 30,124.56 = 14,760.78 : x
2. Step 2: Convert to fraction form
   21,846.66/30,124.56 = 14,760.78/x
3. Step 3: Cross multiply
   21,846.66x = 30,124.56 × 14,760.78
4. Step 4: Simplify right side
   21,846.66x = 444,662,002.76
5. Step 5: Solve for x
   x = 444,662,002.76/21,846.66
6. Step 6: Final answer
   x = 20,353.78