Finding the Fourth Proportional to 1,535.70, 2,118.24 and 945.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,535.70 : 2,118.24 = 945.48 : x
2. Step 2: Convert to fraction form
   1,535.70/2,118.24 = 945.48/x
3. Step 3: Cross multiply
   1,535.70x = 2,118.24 × 945.48
4. Step 4: Simplify right side
   1,535.70x = 2,002,753.56
5. Step 5: Solve for x
   x = 2,002,753.56/1,535.70
6. Step 6: Final answer
   x = 1,304.13