Finding the Fourth Proportional to 2,031.30, 3,034.17 and 1,812.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.30 : 3,034.17 = 1,812.60 : x
2. Step 2: Convert to fraction form
   2,031.30/3,034.17 = 1,812.60/x
3. Step 3: Cross multiply
   2,031.30x = 3,034.17 × 1,812.60
4. Step 4: Simplify right side
   2,031.30x = 5,499,736.54
5. Step 5: Solve for x
   x = 5,499,736.54/2,031.30
6. Step 6: Final answer
   x = 2,707.50