Finding the Fourth Proportional to 9,983.52, 13,776.96 and 5,791.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,983.52 : 13,776.96 = 5,791.56 : x
2. Step 2: Convert to fraction form
   9,983.52/13,776.96 = 5,791.56/x
3. Step 3: Cross multiply
   9,983.52x = 13,776.96 × 5,791.56
4. Step 4: Simplify right side
   9,983.52x = 79,790,090.46
5. Step 5: Solve for x
   x = 79,790,090.46/9,983.52
6. Step 6: Final answer
   x = 7,992.18