Finding the Fourth Proportional to 21,615.46, 32,426.02 and 8,466.12

Step by Step Solution

1. Step 1: Write the proportion equation
   21,615.46 : 32,426.02 = 8,466.12 : x
2. Step 2: Convert to fraction form
   21,615.46/32,426.02 = 8,466.12/x
3. Step 3: Cross multiply
   21,615.46x = 32,426.02 × 8,466.12
4. Step 4: Simplify right side
   21,615.46x = 274,522,555.28
5. Step 5: Solve for x
   x = 274,522,555.28/21,615.46
6. Step 6: Final answer
   x = 12,700.29