Finding the Fourth Proportional to 16,279.31, 24,386.20 and 12,337.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,279.31 : 24,386.20 = 12,337.31 : x
2. Step 2: Convert to fraction form
   16,279.31/24,386.20 = 12,337.31/x
3. Step 3: Cross multiply
   16,279.31x = 24,386.20 × 12,337.31
4. Step 4: Simplify right side
   16,279.31x = 300,860,109.12
5. Step 5: Solve for x
   x = 300,860,109.12/16,279.31
6. Step 6: Final answer
   x = 18,481.13