Finding the Fourth Proportional to 22,379.55, 30,883.17 and 12,308.00

Step by Step Solution

1. Step 1: Write the proportion equation
   22,379.55 : 30,883.17 = 12,308.00 : x
2. Step 2: Convert to fraction form
   22,379.55/30,883.17 = 12,308.00/x
3. Step 3: Cross multiply
   22,379.55x = 30,883.17 × 12,308.00
4. Step 4: Simplify right side
   22,379.55x = 380,109,855.79
5. Step 5: Solve for x
   x = 380,109,855.79/22,379.55
6. Step 6: Final answer
   x = 16,984.69