Finding the Fourth Proportional to 9,238.81, 12,749.60 and 5,047.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,238.81 : 12,749.60 = 5,047.06 : x
2. Step 2: Convert to fraction form
   9,238.81/12,749.60 = 5,047.06/x
3. Step 3: Cross multiply
   9,238.81x = 12,749.60 × 5,047.06
4. Step 4: Simplify right side
   9,238.81x = 64,347,996.18
5. Step 5: Solve for x
   x = 64,347,996.18/9,238.81
6. Step 6: Final answer
   x = 6,964.97