Finding the Fourth Proportional to 2,729.77, 4,092.27 and 974.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,729.77 : 4,092.27 = 974.50 : x
2. Step 2: Convert to fraction form
   2,729.77/4,092.27 = 974.50/x
3. Step 3: Cross multiply
   2,729.77x = 4,092.27 × 974.50
4. Step 4: Simplify right side
   2,729.77x = 3,987,917.12
5. Step 5: Solve for x
   x = 3,987,917.12/2,729.77
6. Step 6: Final answer
   x = 1,460.90