Finding the Fourth Proportional to 10,857.88, 16,289.47 and 3,462.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,857.88 : 16,289.47 = 3,462.34 : x
2. Step 2: Convert to fraction form
   10,857.88/16,289.47 = 3,462.34/x
3. Step 3: Cross multiply
   10,857.88x = 16,289.47 × 3,462.34
4. Step 4: Simplify right side
   10,857.88x = 56,399,692.22
5. Step 5: Solve for x
   x = 56,399,692.22/10,857.88
6. Step 6: Final answer
   x = 5,194.36