Finding the Fourth Proportional to 8,638.34, 12,957.33 and 2,482.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,638.34 : 12,957.33 = 2,482.34 : x
2. Step 2: Convert to fraction form
   8,638.34/12,957.33 = 2,482.34/x
3. Step 3: Cross multiply
   8,638.34x = 12,957.33 × 2,482.34
4. Step 4: Simplify right side
   8,638.34x = 32,164,498.55
5. Step 5: Solve for x
   x = 32,164,498.55/8,638.34
6. Step 6: Final answer
   x = 3,723.46