Finding the Fourth Proportional to 2,980.16, 4,458.72 and 2,843.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.16 : 4,458.72 = 2,843.84 : x
2. Step 2: Convert to fraction form
   2,980.16/4,458.72 = 2,843.84/x
3. Step 3: Cross multiply
   2,980.16x = 4,458.72 × 2,843.84
4. Step 4: Simplify right side
   2,980.16x = 12,679,886.28
5. Step 5: Solve for x
   x = 12,679,886.28/2,980.16
6. Step 6: Final answer
   x = 4,254.77