Finding the Fourth Proportional to 1,952.42, 2,928.72 and 1,086.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,952.42 : 2,928.72 = 1,086.08 : x
2. Step 2: Convert to fraction form
   1,952.42/2,928.72 = 1,086.08/x
3. Step 3: Cross multiply
   1,952.42x = 2,928.72 × 1,086.08
4. Step 4: Simplify right side
   1,952.42x = 3,180,824.22
5. Step 5: Solve for x
   x = 3,180,824.22/1,952.42
6. Step 6: Final answer
   x = 1,629.17