Finding the Fourth Proportional to 22,481.48, 31,024.55 and 12,409.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,481.48 : 31,024.55 = 12,409.94 : x
2. Step 2: Convert to fraction form
   22,481.48/31,024.55 = 12,409.94/x
3. Step 3: Cross multiply
   22,481.48x = 31,024.55 × 12,409.94
4. Step 4: Simplify right side
   22,481.48x = 385,012,804.03
5. Step 5: Solve for x
   x = 385,012,804.03/22,481.48
6. Step 6: Final answer
   x = 17,125.78