Finding the Fourth Proportional to 1,654.86, 2,282.84 and 1,123.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,654.86 : 2,282.84 = 1,123.78 : x
2. Step 2: Convert to fraction form
   1,654.86/2,282.84 = 1,123.78/x
3. Step 3: Cross multiply
   1,654.86x = 2,282.84 × 1,123.78
4. Step 4: Simplify right side
   1,654.86x = 2,565,409.94
5. Step 5: Solve for x
   x = 2,565,409.94/1,654.86
6. Step 6: Final answer
   x = 1,550.23