Finding the Fourth Proportional to 2,065.58, 2,851.05 and 1,181.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.58 : 2,851.05 = 1,181.69 : x
2. Step 2: Convert to fraction form
   2,065.58/2,851.05 = 1,181.69/x
3. Step 3: Cross multiply
   2,065.58x = 2,851.05 × 1,181.69
4. Step 4: Simplify right side
   2,065.58x = 3,369,057.27
5. Step 5: Solve for x
   x = 3,369,057.27/2,065.58
6. Step 6: Final answer
   x = 1,631.05