Finding the Fourth Proportional to 7,421.69, 10,242.05 and 4,064.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,421.69 : 10,242.05 = 4,064.82 : x
2. Step 2: Convert to fraction form
   7,421.69/10,242.05 = 4,064.82/x
3. Step 3: Cross multiply
   7,421.69x = 10,242.05 × 4,064.82
4. Step 4: Simplify right side
   7,421.69x = 41,632,099.88
5. Step 5: Solve for x
   x = 41,632,099.88/7,421.69
6. Step 6: Final answer
   x = 5,609.51