Finding the Fourth Proportional to 1,868.83, 2,577.78 and 1,123.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868.83 : 2,577.78 = 1,123.03 : x
2. Step 2: Convert to fraction form
   1,868.83/2,577.78 = 1,123.03/x
3. Step 3: Cross multiply
   1,868.83x = 2,577.78 × 1,123.03
4. Step 4: Simplify right side
   1,868.83x = 2,894,924.27
5. Step 5: Solve for x
   x = 2,894,924.27/1,868.83
6. Step 6: Final answer
   x = 1,549.06