Finding the Fourth Proportional to 2,636.31, 3,955.25 and 1,175.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.31 : 3,955.25 = 1,175.12 : x
2. Step 2: Convert to fraction form
   2,636.31/3,955.25 = 1,175.12/x
3. Step 3: Cross multiply
   2,636.31x = 3,955.25 × 1,175.12
4. Step 4: Simplify right side
   2,636.31x = 4,647,907.01
5. Step 5: Solve for x
   x = 4,647,907.01/2,636.31
6. Step 6: Final answer
   x = 1,763.03