Finding the Fourth Proportional to 9,284.31, 12,701.72 and 9,244.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,284.31 : 12,701.72 = 9,244.62 : x
2. Step 2: Convert to fraction form
   9,284.31/12,701.72 = 9,244.62/x
3. Step 3: Cross multiply
   9,284.31x = 12,701.72 × 9,244.62
4. Step 4: Simplify right side
   9,284.31x = 117,422,597.86
5. Step 5: Solve for x
   x = 117,422,597.86/9,284.31
6. Step 6: Final answer
   x = 12,647.42