Finding the Fourth Proportional to 2,697.21, 3,722.12 and 1,518.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,697.21 : 3,722.12 = 1,518.25 : x
2. Step 2: Convert to fraction form
   2,697.21/3,722.12 = 1,518.25/x
3. Step 3: Cross multiply
   2,697.21x = 3,722.12 × 1,518.25
4. Step 4: Simplify right side
   2,697.21x = 5,651,108.69
5. Step 5: Solve for x
   x = 5,651,108.69/2,697.21
6. Step 6: Final answer
   x = 2,095.17