Finding the Fourth Proportional to 1,369.80, 2,059.25 and 1,268.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369.80 : 2,059.25 = 1,268.34 : x
2. Step 2: Convert to fraction form
   1,369.80/2,059.25 = 1,268.34/x
3. Step 3: Cross multiply
   1,369.80x = 2,059.25 × 1,268.34
4. Step 4: Simplify right side
   1,369.80x = 2,611,822.80
5. Step 5: Solve for x
   x = 2,611,822.80/1,369.80
6. Step 6: Final answer
   x = 1,906.72