Finding the Fourth Proportional to 10,709.01, 16,081.90 and 6,573.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,709.01 : 16,081.90 = 6,573.31 : x
2. Step 2: Convert to fraction form
   10,709.01/16,081.90 = 6,573.31/x
3. Step 3: Cross multiply
   10,709.01x = 16,081.90 × 6,573.31
4. Step 4: Simplify right side
   10,709.01x = 105,711,314.09
5. Step 5: Solve for x
   x = 105,711,314.09/10,709.01
6. Step 6: Final answer
   x = 9,871.25