Finding the Fourth Proportional to 1,973.57, 2,724.10 and 1,227.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,973.57 : 2,724.10 = 1,227.15 : x
2. Step 2: Convert to fraction form
   1,973.57/2,724.10 = 1,227.15/x
3. Step 3: Cross multiply
   1,973.57x = 2,724.10 × 1,227.15
4. Step 4: Simplify right side
   1,973.57x = 3,342,876.25
5. Step 5: Solve for x
   x = 3,342,876.25/1,973.57
6. Step 6: Final answer
   x = 1,693.83