Finding the Fourth Proportional to 22,168.49, 30,591.30 and 12,607.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,168.49 : 30,591.30 = 12,607.08 : x
2. Step 2: Convert to fraction form
   22,168.49/30,591.30 = 12,607.08/x
3. Step 3: Cross multiply
   22,168.49x = 30,591.30 × 12,607.08
4. Step 4: Simplify right side
   22,168.49x = 385,666,966.40
5. Step 5: Solve for x
   x = 385,666,966.40/22,168.49
6. Step 6: Final answer
   x = 17,397.08