Finding the Fourth Proportional to 2,589.84, 3,884.78 and 740.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589.84 : 3,884.78 = 740.96 : x
2. Step 2: Convert to fraction form
   2,589.84/3,884.78 = 740.96/x
3. Step 3: Cross multiply
   2,589.84x = 3,884.78 × 740.96
4. Step 4: Simplify right side
   2,589.84x = 2,878,466.59
5. Step 5: Solve for x
   x = 2,878,466.59/2,589.84
6. Step 6: Final answer
   x = 1,111.45