Finding the Fourth Proportional to 10,911.86, 16,370.41 and 3,517.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,911.86 : 16,370.41 = 3,517.02 : x
2. Step 2: Convert to fraction form
   10,911.86/16,370.41 = 3,517.02/x
3. Step 3: Cross multiply
   10,911.86x = 16,370.41 × 3,517.02
4. Step 4: Simplify right side
   10,911.86x = 57,575,059.38
5. Step 5: Solve for x
   x = 57,575,059.38/10,911.86
6. Step 6: Final answer
   x = 5,276.37