Finding the Fourth Proportional to 2,055.17, 2,817.11 and 2,027.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.17 : 2,817.11 = 2,027.48 : x
2. Step 2: Convert to fraction form
   2,055.17/2,817.11 = 2,027.48/x
3. Step 3: Cross multiply
   2,055.17x = 2,817.11 × 2,027.48
4. Step 4: Simplify right side
   2,055.17x = 5,711,609.96
5. Step 5: Solve for x
   x = 5,711,609.96/2,055.17
6. Step 6: Final answer
   x = 2,779.15