Finding the Fourth Proportional to 1,222.34, 1,830.27 and 753.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222.34 : 1,830.27 = 753.98 : x
2. Step 2: Convert to fraction form
   1,222.34/1,830.27 = 753.98/x
3. Step 3: Cross multiply
   1,222.34x = 1,830.27 × 753.98
4. Step 4: Simplify right side
   1,222.34x = 1,379,986.97
5. Step 5: Solve for x
   x = 1,379,986.97/1,222.34
6. Step 6: Final answer
   x = 1,128.97