Finding the Fourth Proportional to 16,068.96, 24,082.56 and 13,980

Step by Step Solution

1. Step 1: Write the proportion equation
   16,068.96 : 24,082.56 = 13,980 : x
2. Step 2: Convert to fraction form
   16,068.96/24,082.56 = 13,980/x
3. Step 3: Cross multiply
   16,068.96x = 24,082.56 × 13,980
4. Step 4: Simplify right side
   16,068.96x = 336,674,188.80
5. Step 5: Solve for x
   x = 336,674,188.80/16,068.96
6. Step 6: Final answer
   x = 20,951.83