Finding the Fourth Proportional to 1,965.42, 2,712.41 and 1,126.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,965.42 : 2,712.41 = 1,126.16 : x
2. Step 2: Convert to fraction form
   1,965.42/2,712.41 = 1,126.16/x
3. Step 3: Cross multiply
   1,965.42x = 2,712.41 × 1,126.16
4. Step 4: Simplify right side
   1,965.42x = 3,054,588.45
5. Step 5: Solve for x
   x = 3,054,588.45/1,965.42
6. Step 6: Final answer
   x = 1,554.17