Finding the Fourth Proportional to 3,667.32, 5,503.41 and 1,691.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.32 : 5,503.41 = 1,691.73 : x
2. Step 2: Convert to fraction form
   3,667.32/5,503.41 = 1,691.73/x
3. Step 3: Cross multiply
   3,667.32x = 5,503.41 × 1,691.73
4. Step 4: Simplify right side
   3,667.32x = 9,310,283.80
5. Step 5: Solve for x
   x = 9,310,283.80/3,667.32
6. Step 6: Final answer
   x = 2,538.72