Finding the Fourth Proportional to 10,148.93, 14,009.83 and 6,171.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,148.93 : 14,009.83 = 6,171.31 : x
2. Step 2: Convert to fraction form
   10,148.93/14,009.83 = 6,171.31/x
3. Step 3: Cross multiply
   10,148.93x = 14,009.83 × 6,171.31
4. Step 4: Simplify right side
   10,148.93x = 86,459,003.98
5. Step 5: Solve for x
   x = 86,459,003.98/10,148.93
6. Step 6: Final answer
   x = 8,519.03