Finding the Fourth Proportional to 3,675.60, 5,072.24 and 2,103.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,675.60 : 5,072.24 = 2,103.59 : x
2. Step 2: Convert to fraction form
   3,675.60/5,072.24 = 2,103.59/x
3. Step 3: Cross multiply
   3,675.60x = 5,072.24 × 2,103.59
4. Step 4: Simplify right side
   3,675.60x = 10,669,913.34
5. Step 5: Solve for x
   x = 10,669,913.34/3,675.60
6. Step 6: Final answer
   x = 2,902.90