Finding the Fourth Proportional to 2,845.35, 4,267.06 and 1,089.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,845.35 : 4,267.06 = 1,089.94 : x
2. Step 2: Convert to fraction form
   2,845.35/4,267.06 = 1,089.94/x
3. Step 3: Cross multiply
   2,845.35x = 4,267.06 × 1,089.94
4. Step 4: Simplify right side
   2,845.35x = 4,650,839.38
5. Step 5: Solve for x
   x = 4,650,839.38/2,845.35
6. Step 6: Final answer
   x = 1,634.54