Finding the Fourth Proportional to 9,841.78, 13,581.72 and 5,863.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,841.78 : 13,581.72 = 5,863.06 : x
2. Step 2: Convert to fraction form
   9,841.78/13,581.72 = 5,863.06/x
3. Step 3: Cross multiply
   9,841.78x = 13,581.72 × 5,863.06
4. Step 4: Simplify right side
   9,841.78x = 79,630,439.26
5. Step 5: Solve for x
   x = 79,630,439.26/9,841.78
6. Step 6: Final answer
   x = 8,091.06