Finding the Fourth Proportional to 1,463.59, 2,019.72 and 816.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,463.59 : 2,019.72 = 816.76 : x
2. Step 2: Convert to fraction form
   1,463.59/2,019.72 = 816.76/x
3. Step 3: Cross multiply
   1,463.59x = 2,019.72 × 816.76
4. Step 4: Simplify right side
   1,463.59x = 1,649,626.51
5. Step 5: Solve for x
   x = 1,649,626.51/1,463.59
6. Step 6: Final answer
   x = 1,127.11