Finding the Fourth Proportional to 2,127.09, 3,187.38 and 893.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.09 : 3,187.38 = 893.82 : x
2. Step 2: Convert to fraction form
   2,127.09/3,187.38 = 893.82/x
3. Step 3: Cross multiply
   2,127.09x = 3,187.38 × 893.82
4. Step 4: Simplify right side
   2,127.09x = 2,848,951.96
5. Step 5: Solve for x
   x = 2,848,951.96/2,127.09
6. Step 6: Final answer
   x = 1,339.37