Finding the Fourth Proportional to 6,499.08, 9,749.43 and 2,116.98

Step by Step Solution

1. Step 1: Write the proportion equation
   6,499.08 : 9,749.43 = 2,116.98 : x
2. Step 2: Convert to fraction form
   6,499.08/9,749.43 = 2,116.98/x
3. Step 3: Cross multiply
   6,499.08x = 9,749.43 × 2,116.98
4. Step 4: Simplify right side
   6,499.08x = 20,639,348.32
5. Step 5: Solve for x
   x = 20,639,348.32/6,499.08
6. Step 6: Final answer
   x = 3,175.73