Finding the Fourth Proportional to 10,764.96, 16,139.52 and 3,365.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,764.96 : 16,139.52 = 3,365.28 : x
2. Step 2: Convert to fraction form
   10,764.96/16,139.52 = 3,365.28/x
3. Step 3: Cross multiply
   10,764.96x = 16,139.52 × 3,365.28
4. Step 4: Simplify right side
   10,764.96x = 54,314,003.87
5. Step 5: Solve for x
   x = 54,314,003.87/10,764.96
6. Step 6: Final answer
   x = 5,045.44