Finding the Fourth Proportional to 2,161.50, 3,244.56 and 929.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161.50 : 3,244.56 = 929.52 : x
2. Step 2: Convert to fraction form
   2,161.50/3,244.56 = 929.52/x
3. Step 3: Cross multiply
   2,161.50x = 3,244.56 × 929.52
4. Step 4: Simplify right side
   2,161.50x = 3,015,883.41
5. Step 5: Solve for x
   x = 3,015,883.41/2,161.50
6. Step 6: Final answer
   x = 1,395.27