Finding the Fourth Proportional to 6,498.12, 9,740.92 and 2,112.60

Step by Step Solution

1. Step 1: Write the proportion equation
   6,498.12 : 9,740.92 = 2,112.60 : x
2. Step 2: Convert to fraction form
   6,498.12/9,740.92 = 2,112.60/x
3. Step 3: Cross multiply
   6,498.12x = 9,740.92 × 2,112.60
4. Step 4: Simplify right side
   6,498.12x = 20,578,667.59
5. Step 5: Solve for x
   x = 20,578,667.59/6,498.12
6. Step 6: Final answer
   x = 3,166.86