Finding the Fourth Proportional to 14,422.20, 19,900.24 and 9,634.47

Step by Step Solution

1. Step 1: Write the proportion equation
   14,422.20 : 19,900.24 = 9,634.47 : x
2. Step 2: Convert to fraction form
   14,422.20/19,900.24 = 9,634.47/x
3. Step 3: Cross multiply
   14,422.20x = 19,900.24 × 9,634.47
4. Step 4: Simplify right side
   14,422.20x = 191,728,166.56
5. Step 5: Solve for x
   x = 191,728,166.56/14,422.20
6. Step 6: Final answer
   x = 13,293.96