Finding the Fourth Proportional to 2,893.97, 3,994.72 and 1,899.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,893.97 : 3,994.72 = 1,899.56 : x
2. Step 2: Convert to fraction form
   2,893.97/3,994.72 = 1,899.56/x
3. Step 3: Cross multiply
   2,893.97x = 3,994.72 × 1,899.56
4. Step 4: Simplify right side
   2,893.97x = 7,588,210.32
5. Step 5: Solve for x
   x = 7,588,210.32/2,893.97
6. Step 6: Final answer
   x = 2,622.08