Finding the Fourth Proportional to 10,945.63, 16,423.57 and 5,395.95

Step by Step Solution

1. Step 1: Write the proportion equation
   10,945.63 : 16,423.57 = 5,395.95 : x
2. Step 2: Convert to fraction form
   10,945.63/16,423.57 = 5,395.95/x
3. Step 3: Cross multiply
   10,945.63x = 16,423.57 × 5,395.95
4. Step 4: Simplify right side
   10,945.63x = 88,620,762.54
5. Step 5: Solve for x
   x = 88,620,762.54/10,945.63
6. Step 6: Final answer
   x = 8,096.45