Finding the Fourth Proportional to 2,063.34, 3,097.17 and 1,089.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,063.34 : 3,097.17 = 1,089.72 : x
2. Step 2: Convert to fraction form
   2,063.34/3,097.17 = 1,089.72/x
3. Step 3: Cross multiply
   2,063.34x = 3,097.17 × 1,089.72
4. Step 4: Simplify right side
   2,063.34x = 3,375,048.09
5. Step 5: Solve for x
   x = 3,375,048.09/2,063.34
6. Step 6: Final answer
   x = 1,635.72