Finding the Fourth Proportional to 10,942.49, 16,416.18 and 3,150.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,942.49 : 16,416.18 = 3,150.70 : x
2. Step 2: Convert to fraction form
   10,942.49/16,416.18 = 3,150.70/x
3. Step 3: Cross multiply
   10,942.49x = 16,416.18 × 3,150.70
4. Step 4: Simplify right side
   10,942.49x = 51,722,417.29
5. Step 5: Solve for x
   x = 51,722,417.29/10,942.49
6. Step 6: Final answer
   x = 4,726.75