Finding the Fourth Proportional to 1,271.24, 1,741.16 and 1,196.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271.24 : 1,741.16 = 1,196.51 : x
2. Step 2: Convert to fraction form
   1,271.24/1,741.16 = 1,196.51/x
3. Step 3: Cross multiply
   1,271.24x = 1,741.16 × 1,196.51
4. Step 4: Simplify right side
   1,271.24x = 2,083,322.70
5. Step 5: Solve for x
   x = 2,083,322.70/1,271.24
6. Step 6: Final answer
   x = 1,638.82