Finding the Fourth Proportional to 13,704.94, 18,912.82 and 7,417.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,704.94 : 18,912.82 = 7,417.32 : x
2. Step 2: Convert to fraction form
   13,704.94/18,912.82 = 7,417.32/x
3. Step 3: Cross multiply
   13,704.94x = 18,912.82 × 7,417.32
4. Step 4: Simplify right side
   13,704.94x = 140,282,362.48
5. Step 5: Solve for x
   x = 140,282,362.48/13,704.94
6. Step 6: Final answer
   x = 10,235.90