Finding the Fourth Proportional to 1,535.52, 2,118.72 and 946.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,535.52 : 2,118.72 = 946.41 : x
2. Step 2: Convert to fraction form
   1,535.52/2,118.72 = 946.41/x
3. Step 3: Cross multiply
   1,535.52x = 2,118.72 × 946.41
4. Step 4: Simplify right side
   1,535.52x = 2,005,177.80
5. Step 5: Solve for x
   x = 2,005,177.80/1,535.52
6. Step 6: Final answer
   x = 1,305.86