Finding the Fourth Proportional to 1,601.39, 2,210.27 and 1,040.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601.39 : 2,210.27 = 1,040.88 : x
2. Step 2: Convert to fraction form
   1,601.39/2,210.27 = 1,040.88/x
3. Step 3: Cross multiply
   1,601.39x = 2,210.27 × 1,040.88
4. Step 4: Simplify right side
   1,601.39x = 2,300,620.63
5. Step 5: Solve for x
   x = 2,300,620.63/1,601.39
6. Step 6: Final answer
   x = 1,436.64