Finding the Fourth Proportional to 10,438.58, 15,650.94 and 5,760.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,438.58 : 15,650.94 = 5,760.83 : x
2. Step 2: Convert to fraction form
   10,438.58/15,650.94 = 5,760.83/x
3. Step 3: Cross multiply
   10,438.58x = 15,650.94 × 5,760.83
4. Step 4: Simplify right side
   10,438.58x = 90,162,404.68
5. Step 5: Solve for x
   x = 90,162,404.68/10,438.58
6. Step 6: Final answer
   x = 8,637.42