Finding the Fourth Proportional to 1,433.98, 1,979.27 and 874.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.98 : 1,979.27 = 874.82 : x
2. Step 2: Convert to fraction form
   1,433.98/1,979.27 = 874.82/x
3. Step 3: Cross multiply
   1,433.98x = 1,979.27 × 874.82
4. Step 4: Simplify right side
   1,433.98x = 1,731,504.98
5. Step 5: Solve for x
   x = 1,731,504.98/1,433.98
6. Step 6: Final answer
   x = 1,207.48