Finding the Fourth Proportional to 2,642.03, 3,964.16 and 1,160.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642.03 : 3,964.16 = 1,160.49 : x
2. Step 2: Convert to fraction form
   2,642.03/3,964.16 = 1,160.49/x
3. Step 3: Cross multiply
   2,642.03x = 3,964.16 × 1,160.49
4. Step 4: Simplify right side
   2,642.03x = 4,600,362.24
5. Step 5: Solve for x
   x = 4,600,362.24/2,642.03
6. Step 6: Final answer
   x = 1,741.22