Finding the Fourth Proportional to 7,457.72, 10,291.26 and 4,100.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,457.72 : 10,291.26 = 4,100.96 : x
2. Step 2: Convert to fraction form
   7,457.72/10,291.26 = 4,100.96/x
3. Step 3: Cross multiply
   7,457.72x = 10,291.26 × 4,100.96
4. Step 4: Simplify right side
   7,457.72x = 42,204,045.61
5. Step 5: Solve for x
   x = 42,204,045.61/7,457.72
6. Step 6: Final answer
   x = 5,659.11