Finding the Fourth Proportional to 2,031.56, 3,045.64 and 1,155.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.56 : 3,045.64 = 1,155.52 : x
2. Step 2: Convert to fraction form
   2,031.56/3,045.64 = 1,155.52/x
3. Step 3: Cross multiply
   2,031.56x = 3,045.64 × 1,155.52
4. Step 4: Simplify right side
   2,031.56x = 3,519,297.93
5. Step 5: Solve for x
   x = 3,519,297.93/2,031.56
6. Step 6: Final answer
   x = 1,732.31