Finding the Fourth Proportional to 21,510.21, 32,267.31 and 8,363.58

Step by Step Solution

1. Step 1: Write the proportion equation
   21,510.21 : 32,267.31 = 8,363.58 : x
2. Step 2: Convert to fraction form
   21,510.21/32,267.31 = 8,363.58/x
3. Step 3: Cross multiply
   21,510.21x = 32,267.31 × 8,363.58
4. Step 4: Simplify right side
   21,510.21x = 269,870,228.57
5. Step 5: Solve for x
   x = 269,870,228.57/21,510.21
6. Step 6: Final answer
   x = 12,546.15