Finding the Fourth Proportional to 16,870.12, 23,279.50 and 9,795.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,870.12 : 23,279.50 = 9,795.40 : x
2. Step 2: Convert to fraction form
   16,870.12/23,279.50 = 9,795.40/x
3. Step 3: Cross multiply
   16,870.12x = 23,279.50 × 9,795.40
4. Step 4: Simplify right side
   16,870.12x = 228,032,014.30
5. Step 5: Solve for x
   x = 228,032,014.30/16,870.12
6. Step 6: Final answer
   x = 13,516.92