Finding the Fourth Proportional to 16,956.78, 23,402.58 and 10,589.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,956.78 : 23,402.58 = 10,589.88 : x
2. Step 2: Convert to fraction form
   16,956.78/23,402.58 = 10,589.88/x
3. Step 3: Cross multiply
   16,956.78x = 23,402.58 × 10,589.88
4. Step 4: Simplify right side
   16,956.78x = 247,830,513.89
5. Step 5: Solve for x
   x = 247,830,513.89/16,956.78
6. Step 6: Final answer
   x = 14,615.42