Finding the Fourth Proportional to 22,321.59, 30,783.37 and 14,775.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,321.59 : 30,783.37 = 14,775.55 : x
2. Step 2: Convert to fraction form
   22,321.59/30,783.37 = 14,775.55/x
3. Step 3: Cross multiply
   22,321.59x = 30,783.37 × 14,775.55
4. Step 4: Simplify right side
   22,321.59x = 454,841,222.60
5. Step 5: Solve for x
   x = 454,841,222.60/22,321.59
6. Step 6: Final answer
   x = 20,376.74