Finding the Fourth Proportional to 2,056.21, 3,083.52 and 739.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.21 : 3,083.52 = 739.57 : x
2. Step 2: Convert to fraction form
   2,056.21/3,083.52 = 739.57/x
3. Step 3: Cross multiply
   2,056.21x = 3,083.52 × 739.57
4. Step 4: Simplify right side
   2,056.21x = 2,280,478.89
5. Step 5: Solve for x
   x = 2,280,478.89/2,056.21
6. Step 6: Final answer
   x = 1,109.07