Finding the Fourth Proportional to 22,047.37, 30,423.79 and 12,488.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,047.37 : 30,423.79 = 12,488.22 : x
2. Step 2: Convert to fraction form
   22,047.37/30,423.79 = 12,488.22/x
3. Step 3: Cross multiply
   22,047.37x = 30,423.79 × 12,488.22
4. Step 4: Simplify right side
   22,047.37x = 379,938,982.75
5. Step 5: Solve for x
   x = 379,938,982.75/22,047.37
6. Step 6: Final answer
   x = 17,232.85