Finding the Fourth Proportional to 2,697.21, 3,721.86 and 1,518.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,697.21 : 3,721.86 = 1,518.03 : x
2. Step 2: Convert to fraction form
   2,697.21/3,721.86 = 1,518.03/x
3. Step 3: Cross multiply
   2,697.21x = 3,721.86 × 1,518.03
4. Step 4: Simplify right side
   2,697.21x = 5,649,895.14
5. Step 5: Solve for x
   x = 5,649,895.14/2,697.21
6. Step 6: Final answer
   x = 2,094.72