Finding the Fourth Proportional to 10,902.09, 16,360.38 and 3,976.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,902.09 : 16,360.38 = 3,976.59 : x
2. Step 2: Convert to fraction form
   10,902.09/16,360.38 = 3,976.59/x
3. Step 3: Cross multiply
   10,902.09x = 16,360.38 × 3,976.59
4. Step 4: Simplify right side
   10,902.09x = 65,058,523.50
5. Step 5: Solve for x
   x = 65,058,523.50/10,902.09
6. Step 6: Final answer
   x = 5,967.53