Finding the Fourth Proportional to 21,494.42, 29,662.30 and 12,062.98

Step by Step Solution

1. Step 1: Write the proportion equation
   21,494.42 : 29,662.30 = 12,062.98 : x
2. Step 2: Convert to fraction form
   21,494.42/29,662.30 = 12,062.98/x
3. Step 3: Cross multiply
   21,494.42x = 29,662.30 × 12,062.98
4. Step 4: Simplify right side
   21,494.42x = 357,815,731.65
5. Step 5: Solve for x
   x = 357,815,731.65/21,494.42
6. Step 6: Final answer
   x = 16,646.91