Finding the Fourth Proportional to 2,689, 3,706.98 and 1,904.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689 : 3,706.98 = 1,904.84 : x
2. Step 2: Convert to fraction form
   2,689/3,706.98 = 1,904.84/x
3. Step 3: Cross multiply
   2,689x = 3,706.98 × 1,904.84
4. Step 4: Simplify right side
   2,689x = 7,061,203.78
5. Step 5: Solve for x
   x = 7,061,203.78/2,689
6. Step 6: Final answer
   x = 2,625.96