Finding the Fourth Proportional to 2,185.96, 3,280.66 and 888.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.96 : 3,280.66 = 888.34 : x
2. Step 2: Convert to fraction form
   2,185.96/3,280.66 = 888.34/x
3. Step 3: Cross multiply
   2,185.96x = 3,280.66 × 888.34
4. Step 4: Simplify right side
   2,185.96x = 2,914,341.50
5. Step 5: Solve for x
   x = 2,914,341.50/2,185.96
6. Step 6: Final answer
   x = 1,333.21