Finding the Fourth Proportional to 2,031.48, 2,803.28 and 1,147.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.48 : 2,803.28 = 1,147.50 : x
2. Step 2: Convert to fraction form
   2,031.48/2,803.28 = 1,147.50/x
3. Step 3: Cross multiply
   2,031.48x = 2,803.28 × 1,147.50
4. Step 4: Simplify right side
   2,031.48x = 3,216,758.06
5. Step 5: Solve for x
   x = 3,216,758.06/2,031.48
6. Step 6: Final answer
   x = 1,583.46