Finding the Fourth Proportional to 16,968.34, 23,415.86 and 9,311.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,968.34 : 23,415.86 = 9,311.59 : x
2. Step 2: Convert to fraction form
   16,968.34/23,415.86 = 9,311.59/x
3. Step 3: Cross multiply
   16,968.34x = 23,415.86 × 9,311.59
4. Step 4: Simplify right side
   16,968.34x = 218,038,782.72
5. Step 5: Solve for x
   x = 218,038,782.72/16,968.34
6. Step 6: Final answer
   x = 12,849.74