Finding the Fourth Proportional to 1,141.98, 1,713.57 and 492.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141.98 : 1,713.57 = 492.54 : x
2. Step 2: Convert to fraction form
   1,141.98/1,713.57 = 492.54/x
3. Step 3: Cross multiply
   1,141.98x = 1,713.57 × 492.54
4. Step 4: Simplify right side
   1,141.98x = 844,001.77
5. Step 5: Solve for x
   x = 844,001.77/1,141.98
6. Step 6: Final answer
   x = 739.07