Finding the Fourth Proportional to 7,457.88, 10,291.17 and 4,100.64

Step by Step Solution

1. Step 1: Write the proportion equation
   7,457.88 : 10,291.17 = 4,100.64 : x
2. Step 2: Convert to fraction form
   7,457.88/10,291.17 = 4,100.64/x
3. Step 3: Cross multiply
   7,457.88x = 10,291.17 × 4,100.64
4. Step 4: Simplify right side
   7,457.88x = 42,200,383.35
5. Step 5: Solve for x
   x = 42,200,383.35/7,457.88
6. Step 6: Final answer
   x = 5,658.50