Finding the Fourth Proportional to 1,955.08, 2,928.84 and 1,086.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,955.08 : 2,928.84 = 1,086.76 : x
2. Step 2: Convert to fraction form
   1,955.08/2,928.84 = 1,086.76/x
3. Step 3: Cross multiply
   1,955.08x = 2,928.84 × 1,086.76
4. Step 4: Simplify right side
   1,955.08x = 3,182,951.86
5. Step 5: Solve for x
   x = 3,182,951.86/1,955.08
6. Step 6: Final answer
   x = 1,628.04