Finding the Fourth Proportional to 1,416.69, 1,955.04 and 819.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,416.69 : 1,955.04 = 819.18 : x
2. Step 2: Convert to fraction form
   1,416.69/1,955.04 = 819.18/x
3. Step 3: Cross multiply
   1,416.69x = 1,955.04 × 819.18
4. Step 4: Simplify right side
   1,416.69x = 1,601,535.90
5. Step 5: Solve for x
   x = 1,601,535.90/1,416.69
6. Step 6: Final answer
   x = 1,130.48