Finding the Fourth Proportional to 13,935.46, 19,231.22 and 7,647.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,935.46 : 19,231.22 = 7,647.82 : x
2. Step 2: Convert to fraction form
   13,935.46/19,231.22 = 7,647.82/x
3. Step 3: Cross multiply
   13,935.46x = 19,231.22 × 7,647.82
4. Step 4: Simplify right side
   13,935.46x = 147,076,908.94
5. Step 5: Solve for x
   x = 147,076,908.94/13,935.46
6. Step 6: Final answer
   x = 10,554.15