Finding the Fourth Proportional to 10,698.39, 16,046.69 and 4,200.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,698.39 : 16,046.69 = 4,200.12 : x
2. Step 2: Convert to fraction form
   10,698.39/16,046.69 = 4,200.12/x
3. Step 3: Cross multiply
   10,698.39x = 16,046.69 × 4,200.12
4. Step 4: Simplify right side
   10,698.39x = 67,398,002.60
5. Step 5: Solve for x
   x = 67,398,002.60/10,698.39
6. Step 6: Final answer
   x = 6,299.83