Finding the Fourth Proportional to 9,270.51, 12,793.46 and 5,078.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,270.51 : 12,793.46 = 5,078.49 : x
2. Step 2: Convert to fraction form
   9,270.51/12,793.46 = 5,078.49/x
3. Step 3: Cross multiply
   9,270.51x = 12,793.46 × 5,078.49
4. Step 4: Simplify right side
   9,270.51x = 64,971,433.28
5. Step 5: Solve for x
   x = 64,971,433.28/9,270.51
6. Step 6: Final answer
   x = 7,008.40