Finding the Fourth Proportional to 13,081.34, 19,621.92 and 3,847.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,081.34 : 19,621.92 = 3,847.34 : x
2. Step 2: Convert to fraction form
   13,081.34/19,621.92 = 3,847.34/x
3. Step 3: Cross multiply
   13,081.34x = 19,621.92 × 3,847.34
4. Step 4: Simplify right side
   13,081.34x = 75,492,197.69
5. Step 5: Solve for x
   x = 75,492,197.69/13,081.34
6. Step 6: Final answer
   x = 5,770.98