Finding the Fourth Proportional to 21,773.41, 32,675.60 and 8,628.63

Step by Step Solution

1. Step 1: Write the proportion equation
   21,773.41 : 32,675.60 = 8,628.63 : x
2. Step 2: Convert to fraction form
   21,773.41/32,675.60 = 8,628.63/x
3. Step 3: Cross multiply
   21,773.41x = 32,675.60 × 8,628.63
4. Step 4: Simplify right side
   21,773.41x = 281,945,561.47
5. Step 5: Solve for x
   x = 281,945,561.47/21,773.41
6. Step 6: Final answer
   x = 12,949.08