Finding the Fourth Proportional to 2,980.83, 4,471.24 and 1,224.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.83 : 4,471.24 = 1,224.61 : x
2. Step 2: Convert to fraction form
   2,980.83/4,471.24 = 1,224.61/x
3. Step 3: Cross multiply
   2,980.83x = 4,471.24 × 1,224.61
4. Step 4: Simplify right side
   2,980.83x = 5,475,525.22
5. Step 5: Solve for x
   x = 5,475,525.22/2,980.83
6. Step 6: Final answer
   x = 1,836.91