Finding the Fourth Proportional to 1,367.61, 2,050.98 and 443.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.61 : 2,050.98 = 443.00 : x
2. Step 2: Convert to fraction form
   1,367.61/2,050.98 = 443.00/x
3. Step 3: Cross multiply
   1,367.61x = 2,050.98 × 443.00
4. Step 4: Simplify right side
   1,367.61x = 908,573.89
5. Step 5: Solve for x
   x = 908,573.89/1,367.61
6. Step 6: Final answer
   x = 664.35