Finding the Fourth Proportional to 31,929.18, 47,895.93 and 12,209.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,929.18 : 47,895.93 = 12,209.82 : x
2. Step 2: Convert to fraction form
   31,929.18/47,895.93 = 12,209.82/x
3. Step 3: Cross multiply
   31,929.18x = 47,895.93 × 12,209.82
4. Step 4: Simplify right side
   31,929.18x = 584,800,684.03
5. Step 5: Solve for x
   x = 584,800,684.03/31,929.18
6. Step 6: Final answer
   x = 18,315.56