Finding the Fourth Proportional to 22,395.60, 30,905.40 and 12,323.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,395.60 : 30,905.40 = 12,323.76 : x
2. Step 2: Convert to fraction form
   22,395.60/30,905.40 = 12,323.76/x
3. Step 3: Cross multiply
   22,395.60x = 30,905.40 × 12,323.76
4. Step 4: Simplify right side
   22,395.60x = 380,870,732.30
5. Step 5: Solve for x
   x = 380,870,732.30/22,395.60
6. Step 6: Final answer
   x = 17,006.50