Finding the Fourth Proportional to 1,620.83, 2,429.70 and 1,034.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620.83 : 2,429.70 = 1,034.18 : x
2. Step 2: Convert to fraction form
   1,620.83/2,429.70 = 1,034.18/x
3. Step 3: Cross multiply
   1,620.83x = 2,429.70 × 1,034.18
4. Step 4: Simplify right side
   1,620.83x = 2,512,747.15
5. Step 5: Solve for x
   x = 2,512,747.15/1,620.83
6. Step 6: Final answer
   x = 1,550.28