Finding the Fourth Proportional to 1,939.76, 2,906.82 and 1,452.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,939.76 : 2,906.82 = 1,452.56 : x
2. Step 2: Convert to fraction form
   1,939.76/2,906.82 = 1,452.56/x
3. Step 3: Cross multiply
   1,939.76x = 2,906.82 × 1,452.56
4. Step 4: Simplify right side
   1,939.76x = 4,222,330.46
5. Step 5: Solve for x
   x = 4,222,330.46/1,939.76
6. Step 6: Final answer
   x = 2,176.73