Finding the Fourth Proportional to 9,238.75, 12,749.54 and 5,047

Step by Step Solution

1. Step 1: Write the proportion equation
   9,238.75 : 12,749.54 = 5,047 : x
2. Step 2: Convert to fraction form
   9,238.75/12,749.54 = 5,047/x
3. Step 3: Cross multiply
   9,238.75x = 12,749.54 × 5,047
4. Step 4: Simplify right side
   9,238.75x = 64,346,928.38
5. Step 5: Solve for x
   x = 64,346,928.38/9,238.75
6. Step 6: Final answer
   x = 6,964.90