Finding the Fourth Proportional to 21,581.72, 32,372.39 and 5,999.30

Step by Step Solution

1. Step 1: Write the proportion equation
   21,581.72 : 32,372.39 = 5,999.30 : x
2. Step 2: Convert to fraction form
   21,581.72/32,372.39 = 5,999.30/x
3. Step 3: Cross multiply
   21,581.72x = 32,372.39 × 5,999.30
4. Step 4: Simplify right side
   21,581.72x = 194,211,487.47
5. Step 5: Solve for x
   x = 194,211,487.47/21,581.72
6. Step 6: Final answer
   x = 8,998.89