Finding the Fourth Proportional to 9,246.72, 12,760.32 and 5,055.36

Step by Step Solution

1. Step 1: Write the proportion equation
   9,246.72 : 12,760.32 = 5,055.36 : x
2. Step 2: Convert to fraction form
   9,246.72/12,760.32 = 5,055.36/x
3. Step 3: Cross multiply
   9,246.72x = 12,760.32 × 5,055.36
4. Step 4: Simplify right side
   9,246.72x = 64,508,011.32
5. Step 5: Solve for x
   x = 64,508,011.32/9,246.72
6. Step 6: Final answer
   x = 6,976.31