Finding the Fourth Proportional to 2,895.39, 3,991.43 and 1,898.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,895.39 : 3,991.43 = 1,898.93 : x
2. Step 2: Convert to fraction form
   2,895.39/3,991.43 = 1,898.93/x
3. Step 3: Cross multiply
   2,895.39x = 3,991.43 × 1,898.93
4. Step 4: Simplify right side
   2,895.39x = 7,579,460.90
5. Step 5: Solve for x
   x = 7,579,460.90/2,895.39
6. Step 6: Final answer
   x = 2,617.77