Finding the Fourth Proportional to 12,633.18, 17,422.47 and 9,801.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,633.18 : 17,422.47 = 9,801.42 : x
2. Step 2: Convert to fraction form
   12,633.18/17,422.47 = 9,801.42/x
3. Step 3: Cross multiply
   12,633.18x = 17,422.47 × 9,801.42
4. Step 4: Simplify right side
   12,633.18x = 170,764,945.91
5. Step 5: Solve for x
   x = 170,764,945.91/12,633.18
6. Step 6: Final answer
   x = 13,517.18