Finding the Fourth Proportional to 22,328.46, 30,811.59 and 14,789.79

Step by Step Solution

1. Step 1: Write the proportion equation
   22,328.46 : 30,811.59 = 14,789.79 : x
2. Step 2: Convert to fraction form
   22,328.46/30,811.59 = 14,789.79/x
3. Step 3: Cross multiply
   22,328.46x = 30,811.59 × 14,789.79
4. Step 4: Simplify right side
   22,328.46x = 455,696,945.67
5. Step 5: Solve for x
   x = 455,696,945.67/22,328.46
6. Step 6: Final answer
   x = 20,408.79