Finding the Fourth Proportional to 10,499.57, 15,749.65 and 2,708.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,499.57 : 15,749.65 = 2,708.38 : x
2. Step 2: Convert to fraction form
   10,499.57/15,749.65 = 2,708.38/x
3. Step 3: Cross multiply
   10,499.57x = 15,749.65 × 2,708.38
4. Step 4: Simplify right side
   10,499.57x = 42,655,958.32
5. Step 5: Solve for x
   x = 42,655,958.32/10,499.57
6. Step 6: Final answer
   x = 4,062.64