Finding the Fourth Proportional to 5,511.27, 7,620.50 and 5,422.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,511.27 : 7,620.50 = 5,422.25 : x
2. Step 2: Convert to fraction form
   5,511.27/7,620.50 = 5,422.25/x
3. Step 3: Cross multiply
   5,511.27x = 7,620.50 × 5,422.25
4. Step 4: Simplify right side
   5,511.27x = 41,320,231.58
5. Step 5: Solve for x
   x = 41,320,231.58/5,511.27
6. Step 6: Final answer
   x = 7,497.41