Finding the Fourth Proportional to 9,086.72, 13,631.52 and 2,846.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,086.72 : 13,631.52 = 2,846.24 : x
2. Step 2: Convert to fraction form
   9,086.72/13,631.52 = 2,846.24/x
3. Step 3: Cross multiply
   9,086.72x = 13,631.52 × 2,846.24
4. Step 4: Simplify right side
   9,086.72x = 38,798,577.48
5. Step 5: Solve for x
   x = 38,798,577.48/9,086.72
6. Step 6: Final answer
   x = 4,269.81