Finding the Fourth Proportional to 21,418.56, 32,130.24 and 5,836.32

Step by Step Solution

1. Step 1: Write the proportion equation
   21,418.56 : 32,130.24 = 5,836.32 : x
2. Step 2: Convert to fraction form
   21,418.56/32,130.24 = 5,836.32/x
3. Step 3: Cross multiply
   21,418.56x = 32,130.24 × 5,836.32
4. Step 4: Simplify right side
   21,418.56x = 187,522,362.32
5. Step 5: Solve for x
   x = 187,522,362.32/21,418.56
6. Step 6: Final answer
   x = 8,755.13