Finding the Fourth Proportional to 9,239.16, 12,749.98 and 5,047.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,239.16 : 12,749.98 = 5,047.38 : x
2. Step 2: Convert to fraction form
   9,239.16/12,749.98 = 5,047.38/x
3. Step 3: Cross multiply
   9,239.16x = 12,749.98 × 5,047.38
4. Step 4: Simplify right side
   9,239.16x = 64,353,994.05
5. Step 5: Solve for x
   x = 64,353,994.05/9,239.16
6. Step 6: Final answer
   x = 6,965.35