Finding the Fourth Proportional to 2,893.37, 3,994.56 and 1,900.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,893.37 : 3,994.56 = 1,900.38 : x
2. Step 2: Convert to fraction form
   2,893.37/3,994.56 = 1,900.38/x
3. Step 3: Cross multiply
   2,893.37x = 3,994.56 × 1,900.38
4. Step 4: Simplify right side
   2,893.37x = 7,591,181.93
5. Step 5: Solve for x
   x = 7,591,181.93/2,893.37
6. Step 6: Final answer
   x = 2,623.65