Finding the Fourth Proportional to 5,100.24, 7,648.56 and 1,636.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,100.24 : 7,648.56 = 1,636.56 : x
2. Step 2: Convert to fraction form
   5,100.24/7,648.56 = 1,636.56/x
3. Step 3: Cross multiply
   5,100.24x = 7,648.56 × 1,636.56
4. Step 4: Simplify right side
   5,100.24x = 12,517,327.35
5. Step 5: Solve for x
   x = 12,517,327.35/5,100.24
6. Step 6: Final answer
   x = 2,454.26