Finding the Fourth Proportional to 22,079.34, 30,469.32 and 12,647.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,079.34 : 30,469.32 = 12,647.88 : x
2. Step 2: Convert to fraction form
   22,079.34/30,469.32 = 12,647.88/x
3. Step 3: Cross multiply
   22,079.34x = 30,469.32 × 12,647.88
4. Step 4: Simplify right side
   22,079.34x = 385,372,303.04
5. Step 5: Solve for x
   x = 385,372,303.04/22,079.34
6. Step 6: Final answer
   x = 17,453.98