Finding the Fourth Proportional to 2,172.52, 3,258.72 and 633.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172.52 : 3,258.72 = 633.52 : x
2. Step 2: Convert to fraction form
   2,172.52/3,258.72 = 633.52/x
3. Step 3: Cross multiply
   2,172.52x = 3,258.72 × 633.52
4. Step 4: Simplify right side
   2,172.52x = 2,064,464.29
5. Step 5: Solve for x
   x = 2,064,464.29/2,172.52
6. Step 6: Final answer
   x = 950.26