Finding the Fourth Proportional to 2,065.67, 2,850.53 and 1,181.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.67 : 2,850.53 = 1,181.57 : x
2. Step 2: Convert to fraction form
   2,065.67/2,850.53 = 1,181.57/x
3. Step 3: Cross multiply
   2,065.67x = 2,850.53 × 1,181.57
4. Step 4: Simplify right side
   2,065.67x = 3,368,094.82
5. Step 5: Solve for x
   x = 3,368,094.82/2,065.67
6. Step 6: Final answer
   x = 1,630.51