Finding the Fourth Proportional to 1,863.84, 2,796.38 and 889.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,863.84 : 2,796.38 = 889.82 : x
2. Step 2: Convert to fraction form
   1,863.84/2,796.38 = 889.82/x
3. Step 3: Cross multiply
   1,863.84x = 2,796.38 × 889.82
4. Step 4: Simplify right side
   1,863.84x = 2,488,256.42
5. Step 5: Solve for x
   x = 2,488,256.42/1,863.84
6. Step 6: Final answer
   x = 1,335.02