Finding the Fourth Proportional to 12,807.34, 17,677.50 and 8,343.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,807.34 : 17,677.50 = 8,343.34 : x
2. Step 2: Convert to fraction form
   12,807.34/17,677.50 = 8,343.34/x
3. Step 3: Cross multiply
   12,807.34x = 17,677.50 × 8,343.34
4. Step 4: Simplify right side
   12,807.34x = 147,489,392.85
5. Step 5: Solve for x
   x = 147,489,392.85/12,807.34
6. Step 6: Final answer
   x = 11,516.01