Finding the Fourth Proportional to 3,673.58, 5,510.72 and 1,208.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,673.58 : 5,510.72 = 1,208.42 : x
2. Step 2: Convert to fraction form
   3,673.58/5,510.72 = 1,208.42/x
3. Step 3: Cross multiply
   3,673.58x = 5,510.72 × 1,208.42
4. Step 4: Simplify right side
   3,673.58x = 6,659,264.26
5. Step 5: Solve for x
   x = 6,659,264.26/3,673.58
6. Step 6: Final answer
   x = 1,812.75