Finding the Fourth Proportional to 2,740.34, 4,111.46 and 866.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740.34 : 4,111.46 = 866.51 : x
2. Step 2: Convert to fraction form
   2,740.34/4,111.46 = 866.51/x
3. Step 3: Cross multiply
   2,740.34x = 4,111.46 × 866.51
4. Step 4: Simplify right side
   2,740.34x = 3,562,630.40
5. Step 5: Solve for x
   x = 3,562,630.40/2,740.34
6. Step 6: Final answer
   x = 1,300.07