Finding the Fourth Proportional to 2,980.45, 4,112.83 and 1,654.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.45 : 4,112.83 = 1,654.05 : x
2. Step 2: Convert to fraction form
   2,980.45/4,112.83 = 1,654.05/x
3. Step 3: Cross multiply
   2,980.45x = 4,112.83 × 1,654.05
4. Step 4: Simplify right side
   2,980.45x = 6,802,826.46
5. Step 5: Solve for x
   x = 6,802,826.46/2,980.45
6. Step 6: Final answer
   x = 2,282.48