Finding the Fourth Proportional to 17,672.54, 24,388.44 and 9,715.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,672.54 : 24,388.44 = 9,715.50 : x
2. Step 2: Convert to fraction form
   17,672.54/24,388.44 = 9,715.50/x
3. Step 3: Cross multiply
   17,672.54x = 24,388.44 × 9,715.50
4. Step 4: Simplify right side
   17,672.54x = 236,945,888.82
5. Step 5: Solve for x
   x = 236,945,888.82/17,672.54
6. Step 6: Final answer
   x = 13,407.58