Finding the Fourth Proportional to 32,997.09, 45,524.05 and 21,672.72

Step by Step Solution

1. Step 1: Write the proportion equation
   32,997.09 : 45,524.05 = 21,672.72 : x
2. Step 2: Convert to fraction form
   32,997.09/45,524.05 = 21,672.72/x
3. Step 3: Cross multiply
   32,997.09x = 45,524.05 × 21,672.72
4. Step 4: Simplify right side
   32,997.09x = 986,629,934.73
5. Step 5: Solve for x
   x = 986,629,934.73/32,997.09
6. Step 6: Final answer
   x = 29,900.51