Finding the Fourth Proportional to 13,764.83, 20,634.89 and 4,993.61

Step by Step Solution

1. Step 1: Write the proportion equation
   13,764.83 : 20,634.89 = 4,993.61 : x
2. Step 2: Convert to fraction form
   13,764.83/20,634.89 = 4,993.61/x
3. Step 3: Cross multiply
   13,764.83x = 20,634.89 × 4,993.61
4. Step 4: Simplify right side
   13,764.83x = 103,042,464.91
5. Step 5: Solve for x
   x = 103,042,464.91/13,764.83
6. Step 6: Final answer
   x = 7,485.93