Finding the Fourth Proportional to 21,483.78, 29,645.62 and 12,050.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,483.78 : 29,645.62 = 12,050.52 : x
2. Step 2: Convert to fraction form
   21,483.78/29,645.62 = 12,050.52/x
3. Step 3: Cross multiply
   21,483.78x = 29,645.62 × 12,050.52
4. Step 4: Simplify right side
   21,483.78x = 357,245,136.72
5. Step 5: Solve for x
   x = 357,245,136.72/21,483.78
6. Step 6: Final answer
   x = 16,628.60