Finding the Fourth Proportional to 2,647.91, 3,654.09 and 1,528.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647.91 : 3,654.09 = 1,528.83 : x
2. Step 2: Convert to fraction form
   2,647.91/3,654.09 = 1,528.83/x
3. Step 3: Cross multiply
   2,647.91x = 3,654.09 × 1,528.83
4. Step 4: Simplify right side
   2,647.91x = 5,586,482.41
5. Step 5: Solve for x
   x = 5,586,482.41/2,647.91
6. Step 6: Final answer
   x = 2,109.77