Finding the Fourth Proportional to 2,031.72, 2,803.68 and 1,147.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.72 : 2,803.68 = 1,147.59 : x
2. Step 2: Convert to fraction form
   2,031.72/2,803.68 = 1,147.59/x
3. Step 3: Cross multiply
   2,031.72x = 2,803.68 × 1,147.59
4. Step 4: Simplify right side
   2,031.72x = 3,217,475.13
5. Step 5: Solve for x
   x = 3,217,475.13/2,031.72
6. Step 6: Final answer
   x = 1,583.62