Finding the Fourth Proportional to 9,303.28, 12,838.56 and 5,054.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,303.28 : 12,838.56 = 5,054.31 : x
2. Step 2: Convert to fraction form
   9,303.28/12,838.56 = 5,054.31/x
3. Step 3: Cross multiply
   9,303.28x = 12,838.56 × 5,054.31
4. Step 4: Simplify right side
   9,303.28x = 64,890,004.83
5. Step 5: Solve for x
   x = 64,890,004.83/9,303.28
6. Step 6: Final answer
   x = 6,974.96