Finding the Fourth Proportional to 10,793.72, 16,185.02 and 4,945.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,793.72 : 16,185.02 = 4,945.31 : x
2. Step 2: Convert to fraction form
   10,793.72/16,185.02 = 4,945.31/x
3. Step 3: Cross multiply
   10,793.72x = 16,185.02 × 4,945.31
4. Step 4: Simplify right side
   10,793.72x = 80,039,941.26
5. Step 5: Solve for x
   x = 80,039,941.26/10,793.72
6. Step 6: Final answer
   x = 7,415.42