Finding the Fourth Proportional to 10,957.86, 16,436.81 and 3,167.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,957.86 : 16,436.81 = 3,167.30 : x
2. Step 2: Convert to fraction form
   10,957.86/16,436.81 = 3,167.30/x
3. Step 3: Cross multiply
   10,957.86x = 16,436.81 × 3,167.30
4. Step 4: Simplify right side
   10,957.86x = 52,060,308.31
5. Step 5: Solve for x
   x = 52,060,308.31/10,957.86
6. Step 6: Final answer
   x = 4,750.96