Finding the Fourth Proportional to 22,458.46, 30,994.09 and 12,901.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,458.46 : 30,994.09 = 12,901.34 : x
2. Step 2: Convert to fraction form
   22,458.46/30,994.09 = 12,901.34/x
3. Step 3: Cross multiply
   22,458.46x = 30,994.09 × 12,901.34
4. Step 4: Simplify right side
   22,458.46x = 399,865,105.86
5. Step 5: Solve for x
   x = 399,865,105.86/22,458.46
6. Step 6: Final answer
   x = 17,804.66