Finding the Fourth Proportional to 1,687.38, 2,328.52 and 941.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,687.38 : 2,328.52 = 941.37 : x
2. Step 2: Convert to fraction form
   1,687.38/2,328.52 = 941.37/x
3. Step 3: Cross multiply
   1,687.38x = 2,328.52 × 941.37
4. Step 4: Simplify right side
   1,687.38x = 2,191,998.87
5. Step 5: Solve for x
   x = 2,191,998.87/1,687.38
6. Step 6: Final answer
   x = 1,299.05