Finding the Fourth Proportional to 10,922.73, 16,384.65 and 3,131.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,922.73 : 16,384.65 = 3,131.34 : x
2. Step 2: Convert to fraction form
   10,922.73/16,384.65 = 3,131.34/x
3. Step 3: Cross multiply
   10,922.73x = 16,384.65 × 3,131.34
4. Step 4: Simplify right side
   10,922.73x = 51,305,909.93
5. Step 5: Solve for x
   x = 51,305,909.93/10,922.73
6. Step 6: Final answer
   x = 4,697.17