Finding the Fourth Proportional to 1,974.72, 2,962.18 and 1,152.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,974.72 : 2,962.18 = 1,152.54 : x
2. Step 2: Convert to fraction form
   1,974.72/2,962.18 = 1,152.54/x
3. Step 3: Cross multiply
   1,974.72x = 2,962.18 × 1,152.54
4. Step 4: Simplify right side
   1,974.72x = 3,414,030.94
5. Step 5: Solve for x
   x = 3,414,030.94/1,974.72
6. Step 6: Final answer
   x = 1,728.87