Finding the Fourth Proportional to 1,417.69, 1,954.89 and 886.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417.69 : 1,954.89 = 886.38 : x
2. Step 2: Convert to fraction form
   1,417.69/1,954.89 = 886.38/x
3. Step 3: Cross multiply
   1,417.69x = 1,954.89 × 886.38
4. Step 4: Simplify right side
   1,417.69x = 1,732,770.97
5. Step 5: Solve for x
   x = 1,732,770.97/1,417.69
6. Step 6: Final answer
   x = 1,222.25