Finding the Fourth Proportional to 2,056.22, 2,837.46 and 1,171.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.22 : 2,837.46 = 1,171.88 : x
2. Step 2: Convert to fraction form
   2,056.22/2,837.46 = 1,171.88/x
3. Step 3: Cross multiply
   2,056.22x = 2,837.46 × 1,171.88
4. Step 4: Simplify right side
   2,056.22x = 3,325,162.62
5. Step 5: Solve for x
   x = 3,325,162.62/2,056.22
6. Step 6: Final answer
   x = 1,617.12