Finding the Fourth Proportional to 17,663.08, 24,356.56 and 13,179.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,663.08 : 24,356.56 = 13,179.72 : x
2. Step 2: Convert to fraction form
   17,663.08/24,356.56 = 13,179.72/x
3. Step 3: Cross multiply
   17,663.08x = 24,356.56 × 13,179.72
4. Step 4: Simplify right side
   17,663.08x = 321,012,640.96
5. Step 5: Solve for x
   x = 321,012,640.96/17,663.08
6. Step 6: Final answer
   x = 18,174.22