Finding the Fourth Proportional to 1,675.33, 2,311.92 and 929.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,675.33 : 2,311.92 = 929.28 : x
2. Step 2: Convert to fraction form
   1,675.33/2,311.92 = 929.28/x
3. Step 3: Cross multiply
   1,675.33x = 2,311.92 × 929.28
4. Step 4: Simplify right side
   1,675.33x = 2,148,429.69
5. Step 5: Solve for x
   x = 2,148,429.69/1,675.33
6. Step 6: Final answer
   x = 1,282.39