Finding the Fourth Proportional to 7,974.82, 11,011.71 and 7,134.04

Step by Step Solution

1. Step 1: Write the proportion equation
   7,974.82 : 11,011.71 = 7,134.04 : x
2. Step 2: Convert to fraction form
   7,974.82/11,011.71 = 7,134.04/x
3. Step 3: Cross multiply
   7,974.82x = 11,011.71 × 7,134.04
4. Step 4: Simplify right side
   7,974.82x = 78,557,979.61
5. Step 5: Solve for x
   x = 78,557,979.61/7,974.82
6. Step 6: Final answer
   x = 9,850.75