Finding the Fourth Proportional to 16,930.42, 23,364.18 and 9,856.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,930.42 : 23,364.18 = 9,856.69 : x
2. Step 2: Convert to fraction form
   16,930.42/23,364.18 = 9,856.69/x
3. Step 3: Cross multiply
   16,930.42x = 23,364.18 × 9,856.69
4. Step 4: Simplify right side
   16,930.42x = 230,293,420.95
5. Step 5: Solve for x
   x = 230,293,420.95/16,930.42
6. Step 6: Final answer
   x = 13,602.35