Finding the Fourth Proportional to 1,908.42, 2,633.76 and 1,123.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908.42 : 2,633.76 = 1,123.08 : x
2. Step 2: Convert to fraction form
   1,908.42/2,633.76 = 1,123.08/x
3. Step 3: Cross multiply
   1,908.42x = 2,633.76 × 1,123.08
4. Step 4: Simplify right side
   1,908.42x = 2,957,923.18
5. Step 5: Solve for x
   x = 2,957,923.18/1,908.42
6. Step 6: Final answer
   x = 1,549.93