Finding the Fourth Proportional to 10,902.19, 16,355.72 and 3,976.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,902.19 : 16,355.72 = 3,976.69 : x
2. Step 2: Convert to fraction form
   10,902.19/16,355.72 = 3,976.69/x
3. Step 3: Cross multiply
   10,902.19x = 16,355.72 × 3,976.69
4. Step 4: Simplify right side
   10,902.19x = 65,041,628.17
5. Step 5: Solve for x
   x = 65,041,628.17/10,902.19
6. Step 6: Final answer
   x = 5,965.92