Finding the Fourth Proportional to 1,908.50, 2,633.58 and 1,069.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908.50 : 2,633.58 = 1,069.14 : x
2. Step 2: Convert to fraction form
   1,908.50/2,633.58 = 1,069.14/x
3. Step 3: Cross multiply
   1,908.50x = 2,633.58 × 1,069.14
4. Step 4: Simplify right side
   1,908.50x = 2,815,665.72
5. Step 5: Solve for x
   x = 2,815,665.72/1,908.50
6. Step 6: Final answer
   x = 1,475.33