Finding the Fourth Proportional to 2,063.88, 3,091.59 and 1,087.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,063.88 : 3,091.59 = 1,087.92 : x
2. Step 2: Convert to fraction form
   2,063.88/3,091.59 = 1,087.92/x
3. Step 3: Cross multiply
   2,063.88x = 3,091.59 × 1,087.92
4. Step 4: Simplify right side
   2,063.88x = 3,363,402.59
5. Step 5: Solve for x
   x = 3,363,402.59/2,063.88
6. Step 6: Final answer
   x = 1,629.65