Finding the Fourth Proportional to 10,150.72, 14,010.96 and 6,426.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,150.72 : 14,010.96 = 6,426.88 : x
2. Step 2: Convert to fraction form
   10,150.72/14,010.96 = 6,426.88/x
3. Step 3: Cross multiply
   10,150.72x = 14,010.96 × 6,426.88
4. Step 4: Simplify right side
   10,150.72x = 90,046,758.60
5. Step 5: Solve for x
   x = 90,046,758.60/10,150.72
6. Step 6: Final answer
   x = 8,870.97