Finding the Fourth Proportional to 10,298.52, 14,206.71 and 6,515.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,298.52 : 14,206.71 = 6,515.31 : x
2. Step 2: Convert to fraction form
   10,298.52/14,206.71 = 6,515.31/x
3. Step 3: Cross multiply
   10,298.52x = 14,206.71 × 6,515.31
4. Step 4: Simplify right side
   10,298.52x = 92,561,119.73
5. Step 5: Solve for x
   x = 92,561,119.73/10,298.52
6. Step 6: Final answer
   x = 8,987.81