Finding the Fourth Proportional to 10,834.32, 16,241.76 and 4,986.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,834.32 : 16,241.76 = 4,986.12 : x
2. Step 2: Convert to fraction form
   10,834.32/16,241.76 = 4,986.12/x
3. Step 3: Cross multiply
   10,834.32x = 16,241.76 × 4,986.12
4. Step 4: Simplify right side
   10,834.32x = 80,983,364.37
5. Step 5: Solve for x
   x = 80,983,364.37/10,834.32
6. Step 6: Final answer
   x = 7,474.71