Finding the Fourth Proportional to 9,244.91, 13,863.71 and 3,980.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,244.91 : 13,863.71 = 3,980.31 : x
2. Step 2: Convert to fraction form
   9,244.91/13,863.71 = 3,980.31/x
3. Step 3: Cross multiply
   9,244.91x = 13,863.71 × 3,980.31
4. Step 4: Simplify right side
   9,244.91x = 55,181,873.50
5. Step 5: Solve for x
   x = 55,181,873.50/9,244.91
6. Step 6: Final answer
   x = 5,968.90