Finding the Fourth Proportional to 1,314.52, 1,971.71 and 492.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,314.52 : 1,971.71 = 492.73 : x
2. Step 2: Convert to fraction form
   1,314.52/1,971.71 = 492.73/x
3. Step 3: Cross multiply
   1,314.52x = 1,971.71 × 492.73
4. Step 4: Simplify right side
   1,314.52x = 971,520.67
5. Step 5: Solve for x
   x = 971,520.67/1,314.52
6. Step 6: Final answer
   x = 739.07