Finding the Fourth Proportional to 2,632.93, 3,949.76 and 1,172.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.93 : 3,949.76 = 1,172.05 : x
2. Step 2: Convert to fraction form
   2,632.93/3,949.76 = 1,172.05/x
3. Step 3: Cross multiply
   2,632.93x = 3,949.76 × 1,172.05
4. Step 4: Simplify right side
   2,632.93x = 4,629,310.35
5. Step 5: Solve for x
   x = 4,629,310.35/2,632.93
6. Step 6: Final answer
   x = 1,758.24