Finding the Fourth Proportional to 6,499.79, 8,969.79 and 3,946.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,499.79 : 8,969.79 = 3,946.82 : x
2. Step 2: Convert to fraction form
   6,499.79/8,969.79 = 3,946.82/x
3. Step 3: Cross multiply
   6,499.79x = 8,969.79 × 3,946.82
4. Step 4: Simplify right side
   6,499.79x = 35,402,126.83
5. Step 5: Solve for x
   x = 35,402,126.83/6,499.79
6. Step 6: Final answer
   x = 5,446.66