Finding the Fourth Proportional to 2,648.04, 3,654.28 and 1,528.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.04 : 3,654.28 = 1,528.96 : x
2. Step 2: Convert to fraction form
   2,648.04/3,654.28 = 1,528.96/x
3. Step 3: Cross multiply
   2,648.04x = 3,654.28 × 1,528.96
4. Step 4: Simplify right side
   2,648.04x = 5,587,247.95
5. Step 5: Solve for x
   x = 5,587,247.95/2,648.04
6. Step 6: Final answer
   x = 2,109.96