Finding the Fourth Proportional to 3,100.98, 4,628.77 and 2,731.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.98 : 4,628.77 = 2,731.93 : x
2. Step 2: Convert to fraction form
   3,100.98/4,628.77 = 2,731.93/x
3. Step 3: Cross multiply
   3,100.98x = 4,628.77 × 2,731.93
4. Step 4: Simplify right side
   3,100.98x = 12,645,464.91
5. Step 5: Solve for x
   x = 12,645,464.91/3,100.98
6. Step 6: Final answer
   x = 4,077.89