Finding the Fourth Proportional to 2,728.69, 4,092.73 and 973.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728.69 : 4,092.73 = 973.62 : x
2. Step 2: Convert to fraction form
   2,728.69/4,092.73 = 973.62/x
3. Step 3: Cross multiply
   2,728.69x = 4,092.73 × 973.62
4. Step 4: Simplify right side
   2,728.69x = 3,984,761.35
5. Step 5: Solve for x
   x = 3,984,761.35/2,728.69
6. Step 6: Final answer
   x = 1,460.32