Finding the Fourth Proportional to 2,031.56, 2,803.47 and 1,147.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.56 : 2,803.47 = 1,147.37 : x
2. Step 2: Convert to fraction form
   2,031.56/2,803.47 = 1,147.37/x
3. Step 3: Cross multiply
   2,031.56x = 2,803.47 × 1,147.37
4. Step 4: Simplify right side
   2,031.56x = 3,216,617.37
5. Step 5: Solve for x
   x = 3,216,617.37/2,031.56
6. Step 6: Final answer
   x = 1,583.32