Finding the Fourth Proportional to 17,672.80, 24,388.16 and 9,714.84

Step by Step Solution

1. Step 1: Write the proportion equation
   17,672.80 : 24,388.16 = 9,714.84 : x
2. Step 2: Convert to fraction form
   17,672.80/24,388.16 = 9,714.84/x
3. Step 3: Cross multiply
   17,672.80x = 24,388.16 × 9,714.84
4. Step 4: Simplify right side
   17,672.80x = 236,927,072.29
5. Step 5: Solve for x
   x = 236,927,072.29/17,672.80
6. Step 6: Final answer
   x = 13,406.31