Finding the Fourth Proportional to 2,031.73, 2,803.91 and 1,147.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.73 : 2,803.91 = 1,147.61 : x
2. Step 2: Convert to fraction form
   2,031.73/2,803.91 = 1,147.61/x
3. Step 3: Cross multiply
   2,031.73x = 2,803.91 × 1,147.61
4. Step 4: Simplify right side
   2,031.73x = 3,217,796.43
5. Step 5: Solve for x
   x = 3,217,796.43/2,031.73
6. Step 6: Final answer
   x = 1,583.77