Finding the Fourth Proportional to 2,031.78, 2,803.91 and 1,234.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.78 : 2,803.91 = 1,234.83 : x
2. Step 2: Convert to fraction form
   2,031.78/2,803.91 = 1,234.83/x
3. Step 3: Cross multiply
   2,031.78x = 2,803.91 × 1,234.83
4. Step 4: Simplify right side
   2,031.78x = 3,462,335.50
5. Step 5: Solve for x
   x = 3,462,335.50/2,031.78
6. Step 6: Final answer
   x = 1,704.09