Finding the Fourth Proportional to 2,204.83, 3,042.76 and 1,320.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,204.83 : 3,042.76 = 1,320.61 : x
2. Step 2: Convert to fraction form
   2,204.83/3,042.76 = 1,320.61/x
3. Step 3: Cross multiply
   2,204.83x = 3,042.76 × 1,320.61
4. Step 4: Simplify right side
   2,204.83x = 4,018,296.56
5. Step 5: Solve for x
   x = 4,018,296.56/2,204.83
6. Step 6: Final answer
   x = 1,822.50