Finding the Fourth Proportional to 10,698.52, 16,046.86 and 4,200.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,698.52 : 16,046.86 = 4,200.25 : x
2. Step 2: Convert to fraction form
   10,698.52/16,046.86 = 4,200.25/x
3. Step 3: Cross multiply
   10,698.52x = 16,046.86 × 4,200.25
4. Step 4: Simplify right side
   10,698.52x = 67,400,823.72
5. Step 5: Solve for x
   x = 67,400,823.72/10,698.52
6. Step 6: Final answer
   x = 6,300.01