Finding the Fourth Proportional to 22,168.98, 30,591.99 and 12,607.58

Step by Step Solution

1. Step 1: Write the proportion equation
   22,168.98 : 30,591.99 = 12,607.58 : x
2. Step 2: Convert to fraction form
   22,168.98/30,591.99 = 12,607.58/x
3. Step 3: Cross multiply
   22,168.98x = 30,591.99 × 12,607.58
4. Step 4: Simplify right side
   22,168.98x = 385,690,808.32
5. Step 5: Solve for x
   x = 385,690,808.32/22,168.98
6. Step 6: Final answer
   x = 17,397.77