Finding the Fourth Proportional to 21,498.35, 32,260.21 and 8,182.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,498.35 : 32,260.21 = 8,182.56 : x
2. Step 2: Convert to fraction form
   21,498.35/32,260.21 = 8,182.56/x
3. Step 3: Cross multiply
   21,498.35x = 32,260.21 × 8,182.56
4. Step 4: Simplify right side
   21,498.35x = 263,970,942.64
5. Step 5: Solve for x
   x = 263,970,942.64/21,498.35
6. Step 6: Final answer
   x = 12,278.66