Finding the Fourth Proportional to 2,635.89, 3,637.91 and 1,641.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,635.89 : 3,637.91 = 1,641.48 : x
2. Step 2: Convert to fraction form
   2,635.89/3,637.91 = 1,641.48/x
3. Step 3: Cross multiply
   2,635.89x = 3,637.91 × 1,641.48
4. Step 4: Simplify right side
   2,635.89x = 5,971,556.51
5. Step 5: Solve for x
   x = 5,971,556.51/2,635.89
6. Step 6: Final answer
   x = 2,265.48