Finding the Fourth Proportional to 1,931.37, 2,894.72 and 889.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.37 : 2,894.72 = 889.94 : x
2. Step 2: Convert to fraction form
   1,931.37/2,894.72 = 889.94/x
3. Step 3: Cross multiply
   1,931.37x = 2,894.72 × 889.94
4. Step 4: Simplify right side
   1,931.37x = 2,576,127.12
5. Step 5: Solve for x
   x = 2,576,127.12/1,931.37
6. Step 6: Final answer
   x = 1,333.83