Finding the Fourth Proportional to 3,100.86, 4,648.02 and 1,636.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.86 : 4,648.02 = 1,636.38 : x
2. Step 2: Convert to fraction form
   3,100.86/4,648.02 = 1,636.38/x
3. Step 3: Cross multiply
   3,100.86x = 4,648.02 × 1,636.38
4. Step 4: Simplify right side
   3,100.86x = 7,605,926.97
5. Step 5: Solve for x
   x = 7,605,926.97/3,100.86
6. Step 6: Final answer
   x = 2,452.84