Finding the Fourth Proportional to 17,385.82, 24,003.48 and 13,399.54

Step by Step Solution

1. Step 1: Write the proportion equation
   17,385.82 : 24,003.48 = 13,399.54 : x
2. Step 2: Convert to fraction form
   17,385.82/24,003.48 = 13,399.54/x
3. Step 3: Cross multiply
   17,385.82x = 24,003.48 × 13,399.54
4. Step 4: Simplify right side
   17,385.82x = 321,635,590.40
5. Step 5: Solve for x
   x = 321,635,590.40/17,385.82
6. Step 6: Final answer
   x = 18,499.88