Finding the Fourth Proportional to 9,047.96, 12,485.82 and 5,271.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,047.96 : 12,485.82 = 5,271.24 : x
2. Step 2: Convert to fraction form
   9,047.96/12,485.82 = 5,271.24/x
3. Step 3: Cross multiply
   9,047.96x = 12,485.82 × 5,271.24
4. Step 4: Simplify right side
   9,047.96x = 65,815,753.82
5. Step 5: Solve for x
   x = 65,815,753.82/9,047.96
6. Step 6: Final answer
   x = 7,274.10