Finding the Fourth Proportional to 8,861.34, 13,300.20 and 4,481.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,861.34 : 13,300.20 = 4,481.88 : x
2. Step 2: Convert to fraction form
   8,861.34/13,300.20 = 4,481.88/x
3. Step 3: Cross multiply
   8,861.34x = 13,300.20 × 4,481.88
4. Step 4: Simplify right side
   8,861.34x = 59,609,900.38
5. Step 5: Solve for x
   x = 59,609,900.38/8,861.34
6. Step 6: Final answer
   x = 6,726.96