Finding the Fourth Proportional to 9,986.52, 13,781.10 and 5,794.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,986.52 : 13,781.10 = 5,794.56 : x
2. Step 2: Convert to fraction form
   9,986.52/13,781.10 = 5,794.56/x
3. Step 3: Cross multiply
   9,986.52x = 13,781.10 × 5,794.56
4. Step 4: Simplify right side
   9,986.52x = 79,855,410.82
5. Step 5: Solve for x
   x = 79,855,410.82/9,986.52
6. Step 6: Final answer
   x = 7,996.32