Finding the Fourth Proportional to 2,647.94, 3,654.42 and 1,528.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647.94 : 3,654.42 = 1,528.92 : x
2. Step 2: Convert to fraction form
   2,647.94/3,654.42 = 1,528.92/x
3. Step 3: Cross multiply
   2,647.94x = 3,654.42 × 1,528.92
4. Step 4: Simplify right side
   2,647.94x = 5,587,315.83
5. Step 5: Solve for x
   x = 5,587,315.83/2,647.94
6. Step 6: Final answer
   x = 2,110.06