Finding the Fourth Proportional to 2,031.41, 2,803.31 and 1,147.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.41 : 2,803.31 = 1,147.22 : x
2. Step 2: Convert to fraction form
   2,031.41/2,803.31 = 1,147.22/x
3. Step 3: Cross multiply
   2,031.41x = 2,803.31 × 1,147.22
4. Step 4: Simplify right side
   2,031.41x = 3,215,993.55
5. Step 5: Solve for x
   x = 3,215,993.55/2,031.41
6. Step 6: Final answer
   x = 1,583.14