Finding the Fourth Proportional to 2,056.01, 3,084.08 and 806.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.01 : 3,084.08 = 806.55 : x
2. Step 2: Convert to fraction form
   2,056.01/3,084.08 = 806.55/x
3. Step 3: Cross multiply
   2,056.01x = 3,084.08 × 806.55
4. Step 4: Simplify right side
   2,056.01x = 2,487,460.69
5. Step 5: Solve for x
   x = 2,487,460.69/2,056.01
6. Step 6: Final answer
   x = 1,209.85