Finding the Fourth Proportional to 2,162.56, 3,241.56 and 929.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.56 : 3,241.56 = 929.68 : x
2. Step 2: Convert to fraction form
   2,162.56/3,241.56 = 929.68/x
3. Step 3: Cross multiply
   2,162.56x = 3,241.56 × 929.68
4. Step 4: Simplify right side
   2,162.56x = 3,013,613.50
5. Step 5: Solve for x
   x = 3,013,613.50/2,162.56
6. Step 6: Final answer
   x = 1,393.54