Finding the Fourth Proportional to 7,457.48, 10,291.59 and 4,100.57

Step by Step Solution

1. Step 1: Write the proportion equation
   7,457.48 : 10,291.59 = 4,100.57 : x
2. Step 2: Convert to fraction form
   7,457.48/10,291.59 = 4,100.57/x
3. Step 3: Cross multiply
   7,457.48x = 10,291.59 × 4,100.57
4. Step 4: Simplify right side
   7,457.48x = 42,201,333.75
5. Step 5: Solve for x
   x = 42,201,333.75/7,457.48
6. Step 6: Final answer
   x = 5,658.93