Finding the Fourth Proportional to 1,974.17, 2,960.39 and 740.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,974.17 : 2,960.39 = 740.72 : x
2. Step 2: Convert to fraction form
   1,974.17/2,960.39 = 740.72/x
3. Step 3: Cross multiply
   1,974.17x = 2,960.39 × 740.72
4. Step 4: Simplify right side
   1,974.17x = 2,192,829.33
5. Step 5: Solve for x
   x = 2,192,829.33/1,974.17
6. Step 6: Final answer
   x = 1,110.76