Finding the Fourth Proportional to 22,347.50, 30,839.81 and 12,276.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,347.50 : 30,839.81 = 12,276.18 : x
2. Step 2: Convert to fraction form
   22,347.50/30,839.81 = 12,276.18/x
3. Step 3: Cross multiply
   22,347.50x = 30,839.81 × 12,276.18
4. Step 4: Simplify right side
   22,347.50x = 378,594,997.34
5. Step 5: Solve for x
   x = 378,594,997.34/22,347.50
6. Step 6: Final answer
   x = 16,941.27