Finding the Fourth Proportional to 1,535.76, 2,118.74 and 945.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,535.76 : 2,118.74 = 945.27 : x
2. Step 2: Convert to fraction form
   1,535.76/2,118.74 = 945.27/x
3. Step 3: Cross multiply
   1,535.76x = 2,118.74 × 945.27
4. Step 4: Simplify right side
   1,535.76x = 2,002,768.40
5. Step 5: Solve for x
   x = 2,002,768.40/1,535.76
6. Step 6: Final answer
   x = 1,304.09