Finding the Fourth Proportional to 1,945.41, 2,686.33 and 1,282.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.41 : 2,686.33 = 1,282.02 : x
2. Step 2: Convert to fraction form
   1,945.41/2,686.33 = 1,282.02/x
3. Step 3: Cross multiply
   1,945.41x = 2,686.33 × 1,282.02
4. Step 4: Simplify right side
   1,945.41x = 3,443,928.79
5. Step 5: Solve for x
   x = 3,443,928.79/1,945.41
6. Step 6: Final answer
   x = 1,770.28