Finding the Fourth Proportional to 1,227.98, 1,842.69 and 880.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227.98 : 1,842.69 = 880.94 : x
2. Step 2: Convert to fraction form
   1,227.98/1,842.69 = 880.94/x
3. Step 3: Cross multiply
   1,227.98x = 1,842.69 × 880.94
4. Step 4: Simplify right side
   1,227.98x = 1,623,299.33
5. Step 5: Solve for x
   x = 1,623,299.33/1,227.98
6. Step 6: Final answer
   x = 1,321.93