Finding the Fourth Proportional to 22,043.81, 30,411.88 and 12,481.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,043.81 : 30,411.88 = 12,481.50 : x
2. Step 2: Convert to fraction form
   22,043.81/30,411.88 = 12,481.50/x
3. Step 3: Cross multiply
   22,043.81x = 30,411.88 × 12,481.50
4. Step 4: Simplify right side
   22,043.81x = 379,585,880.22
5. Step 5: Solve for x
   x = 379,585,880.22/22,043.81
6. Step 6: Final answer
   x = 17,219.61