Finding the Fourth Proportional to 1,417.14, 1,955.89 and 819.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417.14 : 1,955.89 = 819.53 : x
2. Step 2: Convert to fraction form
   1,417.14/1,955.89 = 819.53/x
3. Step 3: Cross multiply
   1,417.14x = 1,955.89 × 819.53
4. Step 4: Simplify right side
   1,417.14x = 1,602,918.38
5. Step 5: Solve for x
   x = 1,602,918.38/1,417.14
6. Step 6: Final answer
   x = 1,131.09