Finding the Fourth Proportional to 1,304.95, 1,945.33 and 1,284.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,304.95 : 1,945.33 = 1,284.97 : x
2. Step 2: Convert to fraction form
   1,304.95/1,945.33 = 1,284.97/x
3. Step 3: Cross multiply
   1,304.95x = 1,945.33 × 1,284.97
4. Step 4: Simplify right side
   1,304.95x = 2,499,690.69
5. Step 5: Solve for x
   x = 2,499,690.69/1,304.95
6. Step 6: Final answer
   x = 1,915.55