Finding the Fourth Proportional to 9,238.88, 12,749.52 and 5,047.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,238.88 : 12,749.52 = 5,047.12 : x
2. Step 2: Convert to fraction form
   9,238.88/12,749.52 = 5,047.12/x
3. Step 3: Cross multiply
   9,238.88x = 12,749.52 × 5,047.12
4. Step 4: Simplify right side
   9,238.88x = 64,348,357.38
5. Step 5: Solve for x
   x = 64,348,357.38/9,238.88
6. Step 6: Final answer
   x = 6,964.95