Finding the Fourth Proportional to 1,335.89, 1,841.33 and 893.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,335.89 : 1,841.33 = 893.63 : x
2. Step 2: Convert to fraction form
   1,335.89/1,841.33 = 893.63/x
3. Step 3: Cross multiply
   1,335.89x = 1,841.33 × 893.63
4. Step 4: Simplify right side
   1,335.89x = 1,645,463.26
5. Step 5: Solve for x
   x = 1,645,463.26/1,335.89
6. Step 6: Final answer
   x = 1,231.74