Finding the Fourth Proportional to 7,991.72, 11,030.72 and 5,760.03

Step by Step Solution

1. Step 1: Write the proportion equation
   7,991.72 : 11,030.72 = 5,760.03 : x
2. Step 2: Convert to fraction form
   7,991.72/11,030.72 = 5,760.03/x
3. Step 3: Cross multiply
   7,991.72x = 11,030.72 × 5,760.03
4. Step 4: Simplify right side
   7,991.72x = 63,537,249.32
5. Step 5: Solve for x
   x = 63,537,249.32/7,991.72
6. Step 6: Final answer
   x = 7,950.39