Finding the Fourth Proportional to 21,524.86, 29,704.89 and 12,094.30

Step by Step Solution

1. Step 1: Write the proportion equation
   21,524.86 : 29,704.89 = 12,094.30 : x
2. Step 2: Convert to fraction form
   21,524.86/29,704.89 = 12,094.30/x
3. Step 3: Cross multiply
   21,524.86x = 29,704.89 × 12,094.30
4. Step 4: Simplify right side
   21,524.86x = 359,259,851.13
5. Step 5: Solve for x
   x = 359,259,851.13/21,524.86
6. Step 6: Final answer
   x = 16,690.46