Finding the Fourth Proportional to 14,410.38, 19,902.72 and 9,686.46

Step by Step Solution

1. Step 1: Write the proportion equation
   14,410.38 : 19,902.72 = 9,686.46 : x
2. Step 2: Convert to fraction form
   14,410.38/19,902.72 = 9,686.46/x
3. Step 3: Cross multiply
   14,410.38x = 19,902.72 × 9,686.46
4. Step 4: Simplify right side
   14,410.38x = 192,786,901.17
5. Step 5: Solve for x
   x = 192,786,901.17/14,410.38
6. Step 6: Final answer
   x = 13,378.34