Finding the Fourth Proportional to 3,040.63, 4,196.86 and 1,981.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,040.63 : 4,196.86 = 1,981.30 : x
2. Step 2: Convert to fraction form
   3,040.63/4,196.86 = 1,981.30/x
3. Step 3: Cross multiply
   3,040.63x = 4,196.86 × 1,981.30
4. Step 4: Simplify right side
   3,040.63x = 8,315,238.72
5. Step 5: Solve for x
   x = 8,315,238.72/3,040.63
6. Step 6: Final answer
   x = 2,734.71