Finding the Fourth Proportional to 2,837.56, 3,917.72 and 2,173.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,837.56 : 3,917.72 = 2,173.22 : x
2. Step 2: Convert to fraction form
   2,837.56/3,917.72 = 2,173.22/x
3. Step 3: Cross multiply
   2,837.56x = 3,917.72 × 2,173.22
4. Step 4: Simplify right side
   2,837.56x = 8,514,067.46
5. Step 5: Solve for x
   x = 8,514,067.46/2,837.56
6. Step 6: Final answer
   x = 3,000.49