Finding the Fourth Proportional to 6,493.28, 8,961.24 and 3,698.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,493.28 : 8,961.24 = 3,698.72 : x
2. Step 2: Convert to fraction form
   6,493.28/8,961.24 = 3,698.72/x
3. Step 3: Cross multiply
   6,493.28x = 8,961.24 × 3,698.72
4. Step 4: Simplify right side
   6,493.28x = 33,145,117.61
5. Step 5: Solve for x
   x = 33,145,117.61/6,493.28
6. Step 6: Final answer
   x = 5,104.53