Finding the Fourth Proportional to 1,908.96, 2,634.72 and 1,123.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908.96 : 2,634.72 = 1,123.56 : x
2. Step 2: Convert to fraction form
   1,908.96/2,634.72 = 1,123.56/x
3. Step 3: Cross multiply
   1,908.96x = 2,634.72 × 1,123.56
4. Step 4: Simplify right side
   1,908.96x = 2,960,266.00
5. Step 5: Solve for x
   x = 2,960,266.00/1,908.96
6. Step 6: Final answer
   x = 1,550.72