Finding the Fourth Proportional to 2,077.39, 2,866.72 and 1,181.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.39 : 2,866.72 = 1,181.05 : x
2. Step 2: Convert to fraction form
   2,077.39/2,866.72 = 1,181.05/x
3. Step 3: Cross multiply
   2,077.39x = 2,866.72 × 1,181.05
4. Step 4: Simplify right side
   2,077.39x = 3,385,739.66
5. Step 5: Solve for x
   x = 3,385,739.66/2,077.39
6. Step 6: Final answer
   x = 1,629.80