Finding the Fourth Proportional to 1,367.50, 2,051.25 and 443.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.50 : 2,051.25 = 443.83 : x
2. Step 2: Convert to fraction form
   1,367.50/2,051.25 = 443.83/x
3. Step 3: Cross multiply
   1,367.50x = 2,051.25 × 443.83
4. Step 4: Simplify right side
   1,367.50x = 910,406.29
5. Step 5: Solve for x
   x = 910,406.29/1,367.50
6. Step 6: Final answer
   x = 665.75