Finding the Fourth Proportional to 2,031.64, 2,803.83 and 1,147.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.64 : 2,803.83 = 1,147.60 : x
2. Step 2: Convert to fraction form
   2,031.64/2,803.83 = 1,147.60/x
3. Step 3: Cross multiply
   2,031.64x = 2,803.83 × 1,147.60
4. Step 4: Simplify right side
   2,031.64x = 3,217,668.30
5. Step 5: Solve for x
   x = 3,217,668.30/2,031.64
6. Step 6: Final answer
   x = 1,583.78