Finding the Fourth Proportional to 2,826.48, 4,236.57 and 1,181.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,826.48 : 4,236.57 = 1,181.91 : x
2. Step 2: Convert to fraction form
   2,826.48/4,236.57 = 1,181.91/x
3. Step 3: Cross multiply
   2,826.48x = 4,236.57 × 1,181.91
4. Step 4: Simplify right side
   2,826.48x = 5,007,244.45
5. Step 5: Solve for x
   x = 5,007,244.45/2,826.48
6. Step 6: Final answer
   x = 1,771.55