Finding the Fourth Proportional to 22,279.59, 30,746.34 and 12,208.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,279.59 : 30,746.34 = 12,208.50 : x
2. Step 2: Convert to fraction form
   22,279.59/30,746.34 = 12,208.50/x
3. Step 3: Cross multiply
   22,279.59x = 30,746.34 × 12,208.50
4. Step 4: Simplify right side
   22,279.59x = 375,366,691.89
5. Step 5: Solve for x
   x = 375,366,691.89/22,279.59
6. Step 6: Final answer
   x = 16,848.01