Finding the Fourth Proportional to 21,436.40, 32,149.56 and 5,850.32

Step by Step Solution

1. Step 1: Write the proportion equation
   21,436.40 : 32,149.56 = 5,850.32 : x
2. Step 2: Convert to fraction form
   21,436.40/32,149.56 = 5,850.32/x
3. Step 3: Cross multiply
   21,436.40x = 32,149.56 × 5,850.32
4. Step 4: Simplify right side
   21,436.40x = 188,085,213.86
5. Step 5: Solve for x
   x = 188,085,213.86/21,436.40
6. Step 6: Final answer
   x = 8,774.10