Finding the Fourth Proportional to 3,928.56, 5,892.89 and 1,296.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,928.56 : 5,892.89 = 1,296.34 : x
2. Step 2: Convert to fraction form
   3,928.56/5,892.89 = 1,296.34/x
3. Step 3: Cross multiply
   3,928.56x = 5,892.89 × 1,296.34
4. Step 4: Simplify right side
   3,928.56x = 7,639,189.02
5. Step 5: Solve for x
   x = 7,639,189.02/3,928.56
6. Step 6: Final answer
   x = 1,944.53