Finding the Fourth Proportional to 1,601.69, 2,209.48 and 1,103.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601.69 : 2,209.48 = 1,103.47 : x
2. Step 2: Convert to fraction form
   1,601.69/2,209.48 = 1,103.47/x
3. Step 3: Cross multiply
   1,601.69x = 2,209.48 × 1,103.47
4. Step 4: Simplify right side
   1,601.69x = 2,438,086.61
5. Step 5: Solve for x
   x = 2,438,086.61/1,601.69
6. Step 6: Final answer
   x = 1,522.20