Finding the Fourth Proportional to 2,189.34, 3,022.52 and 1,518.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189.34 : 3,022.52 = 1,518.12 : x
2. Step 2: Convert to fraction form
   2,189.34/3,022.52 = 1,518.12/x
3. Step 3: Cross multiply
   2,189.34x = 3,022.52 × 1,518.12
4. Step 4: Simplify right side
   2,189.34x = 4,588,548.06
5. Step 5: Solve for x
   x = 4,588,548.06/2,189.34
6. Step 6: Final answer
   x = 2,095.86