Finding the Fourth Proportional to 12,379.86, 17,084.06 and 6,714.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,379.86 : 17,084.06 = 6,714.50 : x
2. Step 2: Convert to fraction form
   12,379.86/17,084.06 = 6,714.50/x
3. Step 3: Cross multiply
   12,379.86x = 17,084.06 × 6,714.50
4. Step 4: Simplify right side
   12,379.86x = 114,710,980.37
5. Step 5: Solve for x
   x = 114,710,980.37/12,379.86
6. Step 6: Final answer
   x = 9,265.94