Finding the Fourth Proportional to 2,002.72, 3,009.75 and 1,181.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.72 : 3,009.75 = 1,181.38 : x
2. Step 2: Convert to fraction form
   2,002.72/3,009.75 = 1,181.38/x
3. Step 3: Cross multiply
   2,002.72x = 3,009.75 × 1,181.38
4. Step 4: Simplify right side
   2,002.72x = 3,555,658.46
5. Step 5: Solve for x
   x = 3,555,658.46/2,002.72
6. Step 6: Final answer
   x = 1,775.41