Finding the Fourth Proportional to 10,932.80, 16,401.62 and 3,141

Step by Step Solution

1. Step 1: Write the proportion equation
   10,932.80 : 16,401.62 = 3,141 : x
2. Step 2: Convert to fraction form
   10,932.80/16,401.62 = 3,141/x
3. Step 3: Cross multiply
   10,932.80x = 16,401.62 × 3,141
4. Step 4: Simplify right side
   10,932.80x = 51,517,496.27
5. Step 5: Solve for x
   x = 51,517,496.27/10,932.80
6. Step 6: Final answer
   x = 4,712.20