Finding the Fourth Proportional to 21,408.56, 32,112.83 and 5,826.18

Step by Step Solution

1. Step 1: Write the proportion equation
   21,408.56 : 32,112.83 = 5,826.18 : x
2. Step 2: Convert to fraction form
   21,408.56/32,112.83 = 5,826.18/x
3. Step 3: Cross multiply
   21,408.56x = 32,112.83 × 5,826.18
4. Step 4: Simplify right side
   21,408.56x = 187,095,142.45
5. Step 5: Solve for x
   x = 187,095,142.45/21,408.56
6. Step 6: Final answer
   x = 8,739.27