Finding the Fourth Proportional to 2,065.64, 2,850.31 and 1,181.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.64 : 2,850.31 = 1,181.50 : x
2. Step 2: Convert to fraction form
   2,065.64/2,850.31 = 1,181.50/x
3. Step 3: Cross multiply
   2,065.64x = 2,850.31 × 1,181.50
4. Step 4: Simplify right side
   2,065.64x = 3,367,641.27
5. Step 5: Solve for x
   x = 3,367,641.27/2,065.64
6. Step 6: Final answer
   x = 1,630.31