Finding the Fourth Proportional to 12,885.43, 17,782.33 and 12,294.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,885.43 : 17,782.33 = 12,294.94 : x
2. Step 2: Convert to fraction form
   12,885.43/17,782.33 = 12,294.94/x
3. Step 3: Cross multiply
   12,885.43x = 17,782.33 × 12,294.94
4. Step 4: Simplify right side
   12,885.43x = 218,632,574.48
5. Step 5: Solve for x
   x = 218,632,574.48/12,885.43
6. Step 6: Final answer
   x = 16,967.43