Finding the Fourth Proportional to 9,228.06, 12,734.28 and 5,036.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,228.06 : 12,734.28 = 5,036.31 : x
2. Step 2: Convert to fraction form
   9,228.06/12,734.28 = 5,036.31/x
3. Step 3: Cross multiply
   9,228.06x = 12,734.28 × 5,036.31
4. Step 4: Simplify right side
   9,228.06x = 64,133,781.71
5. Step 5: Solve for x
   x = 64,133,781.71/9,228.06
6. Step 6: Final answer
   x = 6,949.87