Finding the Fourth Proportional to 5,758.88, 7,950.56 and 5,511.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,758.88 : 7,950.56 = 5,511.20 : x
2. Step 2: Convert to fraction form
   5,758.88/7,950.56 = 5,511.20/x
3. Step 3: Cross multiply
   5,758.88x = 7,950.56 × 5,511.20
4. Step 4: Simplify right side
   5,758.88x = 43,817,126.27
5. Step 5: Solve for x
   x = 43,817,126.27/5,758.88
6. Step 6: Final answer
   x = 7,608.62