Finding the Fourth Proportional to 2,100.80, 3,136.54 and 1,893.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.80 : 3,136.54 = 1,893.44 : x
2. Step 2: Convert to fraction form
   2,100.80/3,136.54 = 1,893.44/x
3. Step 3: Cross multiply
   2,100.80x = 3,136.54 × 1,893.44
4. Step 4: Simplify right side
   2,100.80x = 5,938,850.30
5. Step 5: Solve for x
   x = 5,938,850.30/2,100.80
6. Step 6: Final answer
   x = 2,826.95