Finding the Fourth Proportional to 10,777.85, 16,164.42 and 3,381.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,777.85 : 16,164.42 = 3,381.33 : x
2. Step 2: Convert to fraction form
   10,777.85/16,164.42 = 3,381.33/x
3. Step 3: Cross multiply
   10,777.85x = 16,164.42 × 3,381.33
4. Step 4: Simplify right side
   10,777.85x = 54,657,238.28
5. Step 5: Solve for x
   x = 54,657,238.28/10,777.85
6. Step 6: Final answer
   x = 5,071.26