Finding the Fourth Proportional to 2,936.53, 4,404.69 and 1,086.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,936.53 : 4,404.69 = 1,086.91 : x
2. Step 2: Convert to fraction form
   2,936.53/4,404.69 = 1,086.91/x
3. Step 3: Cross multiply
   2,936.53x = 4,404.69 × 1,086.91
4. Step 4: Simplify right side
   2,936.53x = 4,787,501.61
5. Step 5: Solve for x
   x = 4,787,501.61/2,936.53
6. Step 6: Final answer
   x = 1,630.33