Finding the Fourth Proportional to 2,691.18, 3,713.61 and 1,512.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,691.18 : 3,713.61 = 1,512.03 : x
2. Step 2: Convert to fraction form
   2,691.18/3,713.61 = 1,512.03/x
3. Step 3: Cross multiply
   2,691.18x = 3,713.61 × 1,512.03
4. Step 4: Simplify right side
   2,691.18x = 5,615,089.73
5. Step 5: Solve for x
   x = 5,615,089.73/2,691.18
6. Step 6: Final answer
   x = 2,086.48