Finding the Fourth Proportional to 1,820.20, 2,512.02 and 1,034.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820.20 : 2,512.02 = 1,034.50 : x
2. Step 2: Convert to fraction form
   1,820.20/2,512.02 = 1,034.50/x
3. Step 3: Cross multiply
   1,820.20x = 2,512.02 × 1,034.50
4. Step 4: Simplify right side
   1,820.20x = 2,598,684.69
5. Step 5: Solve for x
   x = 2,598,684.69/1,820.20
6. Step 6: Final answer
   x = 1,427.69