Finding the Fourth Proportional to 16,241.00, 22,391.72 and 13,319.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,241.00 : 22,391.72 = 13,319.78 : x
2. Step 2: Convert to fraction form
   16,241.00/22,391.72 = 13,319.78/x
3. Step 3: Cross multiply
   16,241.00x = 22,391.72 × 13,319.78
4. Step 4: Simplify right side
   16,241.00x = 298,252,773.60
5. Step 5: Solve for x
   x = 298,252,773.60/16,241.00
6. Step 6: Final answer
   x = 18,364.19