Finding the Fourth Proportional to 10,723.56, 16,090.82 and 5,107.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,723.56 : 16,090.82 = 5,107.58 : x
2. Step 2: Convert to fraction form
   10,723.56/16,090.82 = 5,107.58/x
3. Step 3: Cross multiply
   10,723.56x = 16,090.82 × 5,107.58
4. Step 4: Simplify right side
   10,723.56x = 82,185,150.42
5. Step 5: Solve for x
   x = 82,185,150.42/10,723.56
6. Step 6: Final answer
   x = 7,663.98