Finding the Fourth Proportional to 5,111.04, 7,667.68 and 1,648.24

Step by Step Solution

1. Step 1: Write the proportion equation
   5,111.04 : 7,667.68 = 1,648.24 : x
2. Step 2: Convert to fraction form
   5,111.04/7,667.68 = 1,648.24/x
3. Step 3: Cross multiply
   5,111.04x = 7,667.68 × 1,648.24
4. Step 4: Simplify right side
   5,111.04x = 12,638,176.88
5. Step 5: Solve for x
   x = 12,638,176.88/5,111.04
6. Step 6: Final answer
   x = 2,472.72