Finding the Fourth Proportional to 13,342.37, 18,410.88 and 7,963.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,342.37 : 18,410.88 = 7,963.82 : x
2. Step 2: Convert to fraction form
   13,342.37/18,410.88 = 7,963.82/x
3. Step 3: Cross multiply
   13,342.37x = 18,410.88 × 7,963.82
4. Step 4: Simplify right side
   13,342.37x = 146,620,934.36
5. Step 5: Solve for x
   x = 146,620,934.36/13,342.37
6. Step 6: Final answer
   x = 10,989.12