Finding the Fourth Proportional to 9,245.54, 12,758.94 and 5,053.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,245.54 : 12,758.94 = 5,053.79 : x
2. Step 2: Convert to fraction form
   9,245.54/12,758.94 = 5,053.79/x
3. Step 3: Cross multiply
   9,245.54x = 12,758.94 × 5,053.79
4. Step 4: Simplify right side
   9,245.54x = 64,481,003.38
5. Step 5: Solve for x
   x = 64,481,003.38/9,245.54
6. Step 6: Final answer
   x = 6,974.28