Finding the Fourth Proportional to 1,446.12, 1,995.89 and 816.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.12 : 1,995.89 = 816.93 : x
2. Step 2: Convert to fraction form
   1,446.12/1,995.89 = 816.93/x
3. Step 3: Cross multiply
   1,446.12x = 1,995.89 × 816.93
4. Step 4: Simplify right side
   1,446.12x = 1,630,498.33
5. Step 5: Solve for x
   x = 1,630,498.33/1,446.12
6. Step 6: Final answer
   x = 1,127.50