Finding the Fourth Proportional to 1,401.46, 1,932.82 and 1,192.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.46 : 1,932.82 = 1,192.30 : x
2. Step 2: Convert to fraction form
   1,401.46/1,932.82 = 1,192.30/x
3. Step 3: Cross multiply
   1,401.46x = 1,932.82 × 1,192.30
4. Step 4: Simplify right side
   1,401.46x = 2,304,501.29
5. Step 5: Solve for x
   x = 2,304,501.29/1,401.46
6. Step 6: Final answer
   x = 1,644.36