Finding the Fourth Proportional to 12,116.82, 16,700.64 and 9,244.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,116.82 : 16,700.64 = 9,244.56 : x
2. Step 2: Convert to fraction form
   12,116.82/16,700.64 = 9,244.56/x
3. Step 3: Cross multiply
   12,116.82x = 16,700.64 × 9,244.56
4. Step 4: Simplify right side
   12,116.82x = 154,390,068.52
5. Step 5: Solve for x
   x = 154,390,068.52/12,116.82
6. Step 6: Final answer
   x = 12,741.80