Finding the Fourth Proportional to 21,493.47, 29,660.89 and 12,062.01

Step by Step Solution

1. Step 1: Write the proportion equation
   21,493.47 : 29,660.89 = 12,062.01 : x
2. Step 2: Convert to fraction form
   21,493.47/29,660.89 = 12,062.01/x
3. Step 3: Cross multiply
   21,493.47x = 29,660.89 × 12,062.01
4. Step 4: Simplify right side
   21,493.47x = 357,769,951.79
5. Step 5: Solve for x
   x = 357,769,951.79/21,493.47
6. Step 6: Final answer
   x = 16,645.52