Finding the Fourth Proportional to 21,375.53, 32,064.69 and 8,227.91

Step by Step Solution

1. Step 1: Write the proportion equation
   21,375.53 : 32,064.69 = 8,227.91 : x
2. Step 2: Convert to fraction form
   21,375.53/32,064.69 = 8,227.91/x
3. Step 3: Cross multiply
   21,375.53x = 32,064.69 × 8,227.91
4. Step 4: Simplify right side
   21,375.53x = 263,825,223.17
5. Step 5: Solve for x
   x = 263,825,223.17/21,375.53
6. Step 6: Final answer
   x = 12,342.40