Finding the Fourth Proportional to 1,223.98, 1,830.95 and 1,018.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,223.98 : 1,830.95 = 1,018.83 : x
2. Step 2: Convert to fraction form
   1,223.98/1,830.95 = 1,018.83/x
3. Step 3: Cross multiply
   1,223.98x = 1,830.95 × 1,018.83
4. Step 4: Simplify right side
   1,223.98x = 1,865,412.54
5. Step 5: Solve for x
   x = 1,865,412.54/1,223.98
6. Step 6: Final answer
   x = 1,524.05