Finding the Fourth Proportional to 1,512.99, 2,265.37 and 1,326.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,512.99 : 2,265.37 = 1,326.18 : x
2. Step 2: Convert to fraction form
   1,512.99/2,265.37 = 1,326.18/x
3. Step 3: Cross multiply
   1,512.99x = 2,265.37 × 1,326.18
4. Step 4: Simplify right side
   1,512.99x = 3,004,288.39
5. Step 5: Solve for x
   x = 3,004,288.39/1,512.99
6. Step 6: Final answer
   x = 1,985.66