Finding the Fourth Proportional to 21,426.98, 32,131.59 and 8,097.67

Step by Step Solution

1. Step 1: Write the proportion equation
   21,426.98 : 32,131.59 = 8,097.67 : x
2. Step 2: Convert to fraction form
   21,426.98/32,131.59 = 8,097.67/x
3. Step 3: Cross multiply
   21,426.98x = 32,131.59 × 8,097.67
4. Step 4: Simplify right side
   21,426.98x = 260,191,022.19
5. Step 5: Solve for x
   x = 260,191,022.19/21,426.98
6. Step 6: Final answer
   x = 12,143.15