Finding the Fourth Proportional to 1,675.31, 2,311.92 and 929.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,675.31 : 2,311.92 = 929.34 : x
2. Step 2: Convert to fraction form
   1,675.31/2,311.92 = 929.34/x
3. Step 3: Cross multiply
   1,675.31x = 2,311.92 × 929.34
4. Step 4: Simplify right side
   1,675.31x = 2,148,559.73
5. Step 5: Solve for x
   x = 2,148,559.73/1,675.31
6. Step 6: Final answer
   x = 1,282.48