Finding the Fourth Proportional to 2,273.52, 3,140.52 and 1,687.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,273.52 : 3,140.52 = 1,687.08 : x
2. Step 2: Convert to fraction form
   2,273.52/3,140.52 = 1,687.08/x
3. Step 3: Cross multiply
   2,273.52x = 3,140.52 × 1,687.08
4. Step 4: Simplify right side
   2,273.52x = 5,298,308.48
5. Step 5: Solve for x
   x = 5,298,308.48/2,273.52
6. Step 6: Final answer
   x = 2,330.44