Finding the Fourth Proportional to 21,405.88, 32,105.58 and 5,824.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,405.88 : 32,105.58 = 5,824.72 : x
2. Step 2: Convert to fraction form
   21,405.88/32,105.58 = 5,824.72/x
3. Step 3: Cross multiply
   21,405.88x = 32,105.58 × 5,824.72
4. Step 4: Simplify right side
   21,405.88x = 187,006,013.94
5. Step 5: Solve for x
   x = 187,006,013.94/21,405.88
6. Step 6: Final answer
   x = 8,736.20