Finding the Fourth Proportional to 1,908.26, 2,633.61 and 1,069.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908.26 : 2,633.61 = 1,069.10 : x
2. Step 2: Convert to fraction form
   1,908.26/2,633.61 = 1,069.10/x
3. Step 3: Cross multiply
   1,908.26x = 2,633.61 × 1,069.10
4. Step 4: Simplify right side
   1,908.26x = 2,815,592.45
5. Step 5: Solve for x
   x = 2,815,592.45/1,908.26
6. Step 6: Final answer
   x = 1,475.48