Finding the Fourth Proportional to 1,973.72, 2,724.72 and 1,227.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,973.72 : 2,724.72 = 1,227.92 : x
2. Step 2: Convert to fraction form
   1,973.72/2,724.72 = 1,227.92/x
3. Step 3: Cross multiply
   1,973.72x = 2,724.72 × 1,227.92
4. Step 4: Simplify right side
   1,973.72x = 3,345,738.18
5. Step 5: Solve for x
   x = 3,345,738.18/1,973.72
6. Step 6: Final answer
   x = 1,695.14