Finding the Fourth Proportional to 10,979.46, 16,469.46 and 3,188.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,979.46 : 16,469.46 = 3,188.34 : x
2. Step 2: Convert to fraction form
   10,979.46/16,469.46 = 3,188.34/x
3. Step 3: Cross multiply
   10,979.46x = 16,469.46 × 3,188.34
4. Step 4: Simplify right side
   10,979.46x = 52,510,238.10
5. Step 5: Solve for x
   x = 52,510,238.10/10,979.46
6. Step 6: Final answer
   x = 4,782.59