Finding the Fourth Proportional to 17,672.19, 24,386.72 and 9,714.69

Step by Step Solution

1. Step 1: Write the proportion equation
   17,672.19 : 24,386.72 = 9,714.69 : x
2. Step 2: Convert to fraction form
   17,672.19/24,386.72 = 9,714.69/x
3. Step 3: Cross multiply
   17,672.19x = 24,386.72 × 9,714.69
4. Step 4: Simplify right side
   17,672.19x = 236,909,376.34
5. Step 5: Solve for x
   x = 236,909,376.34/17,672.19
6. Step 6: Final answer
   x = 13,405.77