Finding the Fourth Proportional to 7,457.38, 10,290.98 and 4,100.54

Step by Step Solution

1. Step 1: Write the proportion equation
   7,457.38 : 10,290.98 = 4,100.54 : x
2. Step 2: Convert to fraction form
   7,457.38/10,290.98 = 4,100.54/x
3. Step 3: Cross multiply
   7,457.38x = 10,290.98 × 4,100.54
4. Step 4: Simplify right side
   7,457.38x = 42,198,533.93
5. Step 5: Solve for x
   x = 42,198,533.93/7,457.38
6. Step 6: Final answer
   x = 5,658.63