Finding the Fourth Proportional to 2,698.52, 3,721.34 and 1,636.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,698.52 : 3,721.34 = 1,636.46 : x
2. Step 2: Convert to fraction form
   2,698.52/3,721.34 = 1,636.46/x
3. Step 3: Cross multiply
   2,698.52x = 3,721.34 × 1,636.46
4. Step 4: Simplify right side
   2,698.52x = 6,089,797.27
5. Step 5: Solve for x
   x = 6,089,797.27/2,698.52
6. Step 6: Final answer
   x = 2,256.72