Finding the Fourth Proportional to 7,457.70, 10,291.49 and 4,100.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,457.70 : 10,291.49 = 4,100.48 : x
2. Step 2: Convert to fraction form
   7,457.70/10,291.49 = 4,100.48/x
3. Step 3: Cross multiply
   7,457.70x = 10,291.49 × 4,100.48
4. Step 4: Simplify right side
   7,457.70x = 42,200,007.71
5. Step 5: Solve for x
   x = 42,200,007.71/7,457.70
6. Step 6: Final answer
   x = 5,658.58