Finding the Fourth Proportional to 2,210.69, 3,316.69 and 893.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.69 : 3,316.69 = 893.77 : x
2. Step 2: Convert to fraction form
   2,210.69/3,316.69 = 893.77/x
3. Step 3: Cross multiply
   2,210.69x = 3,316.69 × 893.77
4. Step 4: Simplify right side
   2,210.69x = 2,964,348.33
5. Step 5: Solve for x
   x = 2,964,348.33/2,210.69
6. Step 6: Final answer
   x = 1,340.91