Finding the Fourth Proportional to 21,137.76, 31,703.60 and 14,793.37

Step by Step Solution

1. Step 1: Write the proportion equation
   21,137.76 : 31,703.60 = 14,793.37 : x
2. Step 2: Convert to fraction form
   21,137.76/31,703.60 = 14,793.37/x
3. Step 3: Cross multiply
   21,137.76x = 31,703.60 × 14,793.37
4. Step 4: Simplify right side
   21,137.76x = 469,003,042.86
5. Step 5: Solve for x
   x = 469,003,042.86/21,137.76
6. Step 6: Final answer
   x = 22,187.93