Finding the Fourth Proportional to 2,056.31, 3,084.15 and 757.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.31 : 3,084.15 = 757.47 : x
2. Step 2: Convert to fraction form
   2,056.31/3,084.15 = 757.47/x
3. Step 3: Cross multiply
   2,056.31x = 3,084.15 × 757.47
4. Step 4: Simplify right side
   2,056.31x = 2,336,151.10
5. Step 5: Solve for x
   x = 2,336,151.10/2,056.31
6. Step 6: Final answer
   x = 1,136.09