Finding the Fourth Proportional to 1,881.36, 2,819.69 and 893.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,881.36 : 2,819.69 = 893.37 : x
2. Step 2: Convert to fraction form
   1,881.36/2,819.69 = 893.37/x
3. Step 3: Cross multiply
   1,881.36x = 2,819.69 × 893.37
4. Step 4: Simplify right side
   1,881.36x = 2,519,026.46
5. Step 5: Solve for x
   x = 2,519,026.46/1,881.36
6. Step 6: Final answer
   x = 1,338.94