Finding the Fourth Proportional to 1,436.77, 2,156.22 and 1,067.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.77 : 2,156.22 = 1,067.43 : x
2. Step 2: Convert to fraction form
   1,436.77/2,156.22 = 1,067.43/x
3. Step 3: Cross multiply
   1,436.77x = 2,156.22 × 1,067.43
4. Step 4: Simplify right side
   1,436.77x = 2,301,605.80
5. Step 5: Solve for x
   x = 2,301,605.80/1,436.77
6. Step 6: Final answer
   x = 1,601.94