Finding the Fourth Proportional to 7,457.69, 10,291.77 and 4,100.65

Step by Step Solution

1. Step 1: Write the proportion equation
   7,457.69 : 10,291.77 = 4,100.65 : x
2. Step 2: Convert to fraction form
   7,457.69/10,291.77 = 4,100.65/x
3. Step 3: Cross multiply
   7,457.69x = 10,291.77 × 4,100.65
4. Step 4: Simplify right side
   7,457.69x = 42,202,920.92
5. Step 5: Solve for x
   x = 42,202,920.92/7,457.69
6. Step 6: Final answer
   x = 5,658.98