Finding the Fourth Proportional to 2,632.41, 3,945.87 and 1,071.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.41 : 3,945.87 = 1,071.81 : x
2. Step 2: Convert to fraction form
   2,632.41/3,945.87 = 1,071.81/x
3. Step 3: Cross multiply
   2,632.41x = 3,945.87 × 1,071.81
4. Step 4: Simplify right side
   2,632.41x = 4,229,222.92
5. Step 5: Solve for x
   x = 4,229,222.92/2,632.41
6. Step 6: Final answer
   x = 1,606.60