Finding the Fourth Proportional to 12,791.94, 17,647.16 and 7,484.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,791.94 : 17,647.16 = 7,484.42 : x
2. Step 2: Convert to fraction form
   12,791.94/17,647.16 = 7,484.42/x
3. Step 3: Cross multiply
   12,791.94x = 17,647.16 × 7,484.42
4. Step 4: Simplify right side
   12,791.94x = 132,078,757.25
5. Step 5: Solve for x
   x = 132,078,757.25/12,791.94
6. Step 6: Final answer
   x = 10,325.15