Finding the Fourth Proportional to 1,342.32, 2,016.54 and 953.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.32 : 2,016.54 = 953.28 : x
2. Step 2: Convert to fraction form
   1,342.32/2,016.54 = 953.28/x
3. Step 3: Cross multiply
   1,342.32x = 2,016.54 × 953.28
4. Step 4: Simplify right side
   1,342.32x = 1,922,327.25
5. Step 5: Solve for x
   x = 1,922,327.25/1,342.32
6. Step 6: Final answer
   x = 1,432.09