Finding the Fourth Proportional to 22,783.41, 31,439.83 and 14,285.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,783.41 : 31,439.83 = 14,285.89 : x
2. Step 2: Convert to fraction form
   22,783.41/31,439.83 = 14,285.89/x
3. Step 3: Cross multiply
   22,783.41x = 31,439.83 × 14,285.89
4. Step 4: Simplify right side
   22,783.41x = 449,146,132.06
5. Step 5: Solve for x
   x = 449,146,132.06/22,783.41
6. Step 6: Final answer
   x = 19,713.73