Finding the Fourth Proportional to 12,003.44, 16,557.46 and 7,747.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,003.44 : 16,557.46 = 7,747.82 : x
2. Step 2: Convert to fraction form
   12,003.44/16,557.46 = 7,747.82/x
3. Step 3: Cross multiply
   12,003.44x = 16,557.46 × 7,747.82
4. Step 4: Simplify right side
   12,003.44x = 128,284,219.74
5. Step 5: Solve for x
   x = 128,284,219.74/12,003.44
6. Step 6: Final answer
   x = 10,687.29