Finding the Fourth Proportional to 1,534.46, 2,118.33 and 945.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,534.46 : 2,118.33 = 945.33 : x
2. Step 2: Convert to fraction form
   1,534.46/2,118.33 = 945.33/x
3. Step 3: Cross multiply
   1,534.46x = 2,118.33 × 945.33
4. Step 4: Simplify right side
   1,534.46x = 2,002,520.90
5. Step 5: Solve for x
   x = 2,002,520.90/1,534.46
6. Step 6: Final answer
   x = 1,305.03