Finding the Fourth Proportional to 1,987.46, 2,742.69 and 1,103.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,987.46 : 2,742.69 = 1,103.27 : x
2. Step 2: Convert to fraction form
   1,987.46/2,742.69 = 1,103.27/x
3. Step 3: Cross multiply
   1,987.46x = 2,742.69 × 1,103.27
4. Step 4: Simplify right side
   1,987.46x = 3,025,913.88
5. Step 5: Solve for x
   x = 3,025,913.88/1,987.46
6. Step 6: Final answer
   x = 1,522.51