Finding the Fourth Proportional to 12,892.35, 19,305.70 and 8,496.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,892.35 : 19,305.70 = 8,496.48 : x
2. Step 2: Convert to fraction form
   12,892.35/19,305.70 = 8,496.48/x
3. Step 3: Cross multiply
   12,892.35x = 19,305.70 × 8,496.48
4. Step 4: Simplify right side
   12,892.35x = 164,030,493.94
5. Step 5: Solve for x
   x = 164,030,493.94/12,892.35
6. Step 6: Final answer
   x = 12,723.09