Finding the Fourth Proportional to 1,908.77, 2,633.72 and 1,123.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908.77 : 2,633.72 = 1,123.07 : x
2. Step 2: Convert to fraction form
   1,908.77/2,633.72 = 1,123.07/x
3. Step 3: Cross multiply
   1,908.77x = 2,633.72 × 1,123.07
4. Step 4: Simplify right side
   1,908.77x = 2,957,833.14
5. Step 5: Solve for x
   x = 2,957,833.14/1,908.77
6. Step 6: Final answer
   x = 1,549.61