Finding the Fourth Proportional to 12,817.46, 19,242.59 and 10,881.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,817.46 : 19,242.59 = 10,881.96 : x
2. Step 2: Convert to fraction form
   12,817.46/19,242.59 = 10,881.96/x
3. Step 3: Cross multiply
   12,817.46x = 19,242.59 × 10,881.96
4. Step 4: Simplify right side
   12,817.46x = 209,397,040.27
5. Step 5: Solve for x
   x = 209,397,040.27/12,817.46
6. Step 6: Final answer
   x = 16,336.87