Finding the Fourth Proportional to 10,911.07, 16,365.69 and 4,335.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,911.07 : 16,365.69 = 4,335.49 : x
2. Step 2: Convert to fraction form
   10,911.07/16,365.69 = 4,335.49/x
3. Step 3: Cross multiply
   10,911.07x = 16,365.69 × 4,335.49
4. Step 4: Simplify right side
   10,911.07x = 70,953,285.34
5. Step 5: Solve for x
   x = 70,953,285.34/10,911.07
6. Step 6: Final answer
   x = 6,502.87