Finding the Fourth Proportional to 3,839.32, 5,754.66 and 1,783

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839.32 : 5,754.66 = 1,783 : x
2. Step 2: Convert to fraction form
   3,839.32/5,754.66 = 1,783/x
3. Step 3: Cross multiply
   3,839.32x = 5,754.66 × 1,783
4. Step 4: Simplify right side
   3,839.32x = 10,260,558.78
5. Step 5: Solve for x
   x = 10,260,558.78/3,839.32
6. Step 6: Final answer
   x = 2,672.49