Finding the Fourth Proportional to 12,303.77, 16,978.82 and 6,714.77

Step by Step Solution

1. Step 1: Write the proportion equation
   12,303.77 : 16,978.82 = 6,714.77 : x
2. Step 2: Convert to fraction form
   12,303.77/16,978.82 = 6,714.77/x
3. Step 3: Cross multiply
   12,303.77x = 16,978.82 × 6,714.77
4. Step 4: Simplify right side
   12,303.77x = 114,008,752.70
5. Step 5: Solve for x
   x = 114,008,752.70/12,303.77
6. Step 6: Final answer
   x = 9,266.17