Finding the Fourth Proportional to 1,601.79, 2,209.33 and 1,041.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601.79 : 2,209.33 = 1,041.22 : x
2. Step 2: Convert to fraction form
   1,601.79/2,209.33 = 1,041.22/x
3. Step 3: Cross multiply
   1,601.79x = 2,209.33 × 1,041.22
4. Step 4: Simplify right side
   1,601.79x = 2,300,398.58
5. Step 5: Solve for x
   x = 2,300,398.58/1,601.79
6. Step 6: Final answer
   x = 1,436.14