Finding the Fourth Proportional to 7,240.58, 9,992.33 and 5,665.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,240.58 : 9,992.33 = 5,665.94 : x
2. Step 2: Convert to fraction form
   7,240.58/9,992.33 = 5,665.94/x
3. Step 3: Cross multiply
   7,240.58x = 9,992.33 × 5,665.94
4. Step 4: Simplify right side
   7,240.58x = 56,615,942.24
5. Step 5: Solve for x
   x = 56,615,942.24/7,240.58
6. Step 6: Final answer
   x = 7,819.26