Finding the Fourth Proportional to 16,498.90, 24,714.84 and 13,172.77

Step by Step Solution

1. Step 1: Write the proportion equation
   16,498.90 : 24,714.84 = 13,172.77 : x
2. Step 2: Convert to fraction form
   16,498.90/24,714.84 = 13,172.77/x
3. Step 3: Cross multiply
   16,498.90x = 24,714.84 × 13,172.77
4. Step 4: Simplify right side
   16,498.90x = 325,562,902.91
5. Step 5: Solve for x
   x = 325,562,902.91/16,498.90
6. Step 6: Final answer
   x = 19,732.40