Finding the Fourth Proportional to 10,945.41, 16,420.82 and 3,154.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,945.41 : 16,420.82 = 3,154.16 : x
2. Step 2: Convert to fraction form
   10,945.41/16,420.82 = 3,154.16/x
3. Step 3: Cross multiply
   10,945.41x = 16,420.82 × 3,154.16
4. Step 4: Simplify right side
   10,945.41x = 51,793,795.74
5. Step 5: Solve for x
   x = 51,793,795.74/10,945.41
6. Step 6: Final answer
   x = 4,732.01