Finding the Fourth Proportional to 12,246.72, 16,900.56 and 6,657.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,246.72 : 16,900.56 = 6,657.72 : x
2. Step 2: Convert to fraction form
   12,246.72/16,900.56 = 6,657.72/x
3. Step 3: Cross multiply
   12,246.72x = 16,900.56 × 6,657.72
4. Step 4: Simplify right side
   12,246.72x = 112,519,196.32
5. Step 5: Solve for x
   x = 112,519,196.32/12,246.72
6. Step 6: Final answer
   x = 9,187.70