Finding the Fourth Proportional to 1,908.72, 2,634.01 and 1,069.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908.72 : 2,634.01 = 1,069.41 : x
2. Step 2: Convert to fraction form
   1,908.72/2,634.01 = 1,069.41/x
3. Step 3: Cross multiply
   1,908.72x = 2,634.01 × 1,069.41
4. Step 4: Simplify right side
   1,908.72x = 2,816,836.63
5. Step 5: Solve for x
   x = 2,816,836.63/1,908.72
6. Step 6: Final answer
   x = 1,475.77