Finding the Fourth Proportional to 2,063.07, 3,096.43 and 1,089.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,063.07 : 3,096.43 = 1,089.86 : x
2. Step 2: Convert to fraction form
   2,063.07/3,096.43 = 1,089.86/x
3. Step 3: Cross multiply
   2,063.07x = 3,096.43 × 1,089.86
4. Step 4: Simplify right side
   2,063.07x = 3,374,656.99
5. Step 5: Solve for x
   x = 3,374,656.99/2,063.07
6. Step 6: Final answer
   x = 1,635.75