Finding the Fourth Proportional to 2,126.69, 3,185.36 and 1,084.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,126.69 : 3,185.36 = 1,084.89 : x
2. Step 2: Convert to fraction form
   2,126.69/3,185.36 = 1,084.89/x
3. Step 3: Cross multiply
   2,126.69x = 3,185.36 × 1,084.89
4. Step 4: Simplify right side
   2,126.69x = 3,455,775.80
5. Step 5: Solve for x
   x = 3,455,775.80/2,126.69
6. Step 6: Final answer
   x = 1,624.96