Finding the Fourth Proportional to 2,192.57, 3,288.72 and 894.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,192.57 : 3,288.72 = 894.01 : x
2. Step 2: Convert to fraction form
   2,192.57/3,288.72 = 894.01/x
3. Step 3: Cross multiply
   2,192.57x = 3,288.72 × 894.01
4. Step 4: Simplify right side
   2,192.57x = 2,940,132.12
5. Step 5: Solve for x
   x = 2,940,132.12/2,192.57
6. Step 6: Final answer
   x = 1,340.95