Finding the Fourth Proportional to 7,457.68, 10,291.37 and 4,100.49

Step by Step Solution

1. Step 1: Write the proportion equation
   7,457.68 : 10,291.37 = 4,100.49 : x
2. Step 2: Convert to fraction form
   7,457.68/10,291.37 = 4,100.49/x
3. Step 3: Cross multiply
   7,457.68x = 10,291.37 × 4,100.49
4. Step 4: Simplify right side
   7,457.68x = 42,199,601.62
5. Step 5: Solve for x
   x = 42,199,601.62/7,457.68
6. Step 6: Final answer
   x = 5,658.54