Finding the Fourth Proportional to 2,632.72, 3,948.75 and 1,171.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.72 : 3,948.75 = 1,171.54 : x
2. Step 2: Convert to fraction form
   2,632.72/3,948.75 = 1,171.54/x
3. Step 3: Cross multiply
   2,632.72x = 3,948.75 × 1,171.54
4. Step 4: Simplify right side
   2,632.72x = 4,626,118.58
5. Step 5: Solve for x
   x = 4,626,118.58/2,632.72
6. Step 6: Final answer
   x = 1,757.16