Finding the Fourth Proportional to 9,268.72, 12,807.48 and 7,294.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,268.72 : 12,807.48 = 7,294.48 : x
2. Step 2: Convert to fraction form
   9,268.72/12,807.48 = 7,294.48/x
3. Step 3: Cross multiply
   9,268.72x = 12,807.48 × 7,294.48
4. Step 4: Simplify right side
   9,268.72x = 93,423,906.71
5. Step 5: Solve for x
   x = 93,423,906.71/9,268.72
6. Step 6: Final answer
   x = 10,079.48