Finding the Fourth Proportional to 22,056.35, 30,431.04 and 12,494.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,056.35 : 30,431.04 = 12,494.71 : x
2. Step 2: Convert to fraction form
   22,056.35/30,431.04 = 12,494.71/x
3. Step 3: Cross multiply
   22,056.35x = 30,431.04 × 12,494.71
4. Step 4: Simplify right side
   22,056.35x = 380,226,910.09
5. Step 5: Solve for x
   x = 380,226,910.09/22,056.35
6. Step 6: Final answer
   x = 17,238.89