Finding the Fourth Proportional to 3,657.98, 5,050.32 and 2,538.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,657.98 : 5,050.32 = 2,538.56 : x
2. Step 2: Convert to fraction form
   3,657.98/5,050.32 = 2,538.56/x
3. Step 3: Cross multiply
   3,657.98x = 5,050.32 × 2,538.56
4. Step 4: Simplify right side
   3,657.98x = 12,820,540.34
5. Step 5: Solve for x
   x = 12,820,540.34/3,657.98
6. Step 6: Final answer
   x = 3,504.81