Finding the Fourth Proportional to 17,564.76, 24,225.42 and 13,272.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,564.76 : 24,225.42 = 13,272.18 : x
2. Step 2: Convert to fraction form
   17,564.76/24,225.42 = 13,272.18/x
3. Step 3: Cross multiply
   17,564.76x = 24,225.42 × 13,272.18
4. Step 4: Simplify right side
   17,564.76x = 321,524,134.82
5. Step 5: Solve for x
   x = 321,524,134.82/17,564.76
6. Step 6: Final answer
   x = 18,305.07