Finding the Fourth Proportional to 12,219.42, 16,839.73 and 9,794.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,219.42 : 16,839.73 = 9,794.03 : x
2. Step 2: Convert to fraction form
   12,219.42/16,839.73 = 9,794.03/x
3. Step 3: Cross multiply
   12,219.42x = 16,839.73 × 9,794.03
4. Step 4: Simplify right side
   12,219.42x = 164,928,748.86
5. Step 5: Solve for x
   x = 164,928,748.86/12,219.42
6. Step 6: Final answer
   x = 13,497.26