Finding the Fourth Proportional to 2,982.60, 4,107.06 and 2,457.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,982.60 : 4,107.06 = 2,457.72 : x
2. Step 2: Convert to fraction form
   2,982.60/4,107.06 = 2,457.72/x
3. Step 3: Cross multiply
   2,982.60x = 4,107.06 × 2,457.72
4. Step 4: Simplify right side
   2,982.60x = 10,094,003.50
5. Step 5: Solve for x
   x = 10,094,003.50/2,982.60
6. Step 6: Final answer
   x = 3,384.30