Finding the Fourth Proportional to 1,314.83, 1,813.16 and 1,019.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,314.83 : 1,813.16 = 1,019.99 : x
2. Step 2: Convert to fraction form
   1,314.83/1,813.16 = 1,019.99/x
3. Step 3: Cross multiply
   1,314.83x = 1,813.16 × 1,019.99
4. Step 4: Simplify right side
   1,314.83x = 1,849,390.90
5. Step 5: Solve for x
   x = 1,849,390.90/1,314.83
6. Step 6: Final answer
   x = 1,406.57