Finding the Fourth Proportional to 2,997.72, 4,136.78 and 1,671.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,997.72 : 4,136.78 = 1,671.42 : x
2. Step 2: Convert to fraction form
   2,997.72/4,136.78 = 1,671.42/x
3. Step 3: Cross multiply
   2,997.72x = 4,136.78 × 1,671.42
4. Step 4: Simplify right side
   2,997.72x = 6,914,296.83
5. Step 5: Solve for x
   x = 6,914,296.83/2,997.72
6. Step 6: Final answer
   x = 2,306.52