Finding the Fourth Proportional to 6,500.64, 8,968.56 and 3,981.84

Step by Step Solution

1. Step 1: Write the proportion equation
   6,500.64 : 8,968.56 = 3,981.84 : x
2. Step 2: Convert to fraction form
   6,500.64/8,968.56 = 3,981.84/x
3. Step 3: Cross multiply
   6,500.64x = 8,968.56 × 3,981.84
4. Step 4: Simplify right side
   6,500.64x = 35,711,370.95
5. Step 5: Solve for x
   x = 35,711,370.95/6,500.64
6. Step 6: Final answer
   x = 5,493.52