Finding the Fourth Proportional to 1,416.72, 1,954.76 and 819.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,416.72 : 1,954.76 = 819.06 : x
2. Step 2: Convert to fraction form
   1,416.72/1,954.76 = 819.06/x
3. Step 3: Cross multiply
   1,416.72x = 1,954.76 × 819.06
4. Step 4: Simplify right side
   1,416.72x = 1,601,065.73
5. Step 5: Solve for x
   x = 1,601,065.73/1,416.72
6. Step 6: Final answer
   x = 1,130.12