Finding the Fourth Proportional to 10,739.55, 16,111.89 and 4,496.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,739.55 : 16,111.89 = 4,496.09 : x
2. Step 2: Convert to fraction form
   10,739.55/16,111.89 = 4,496.09/x
3. Step 3: Cross multiply
   10,739.55x = 16,111.89 × 4,496.09
4. Step 4: Simplify right side
   10,739.55x = 72,440,426.95
5. Step 5: Solve for x
   x = 72,440,426.95/10,739.55
6. Step 6: Final answer
   x = 6,745.20