Finding the Fourth Proportional to 2,698.72, 3,723.87 and 1,503.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,698.72 : 3,723.87 = 1,503.56 : x
2. Step 2: Convert to fraction form
   2,698.72/3,723.87 = 1,503.56/x
3. Step 3: Cross multiply
   2,698.72x = 3,723.87 × 1,503.56
4. Step 4: Simplify right side
   2,698.72x = 5,599,076.93
5. Step 5: Solve for x
   x = 5,599,076.93/2,698.72
6. Step 6: Final answer
   x = 2,074.72