Finding the Fourth Proportional to 21,078.96, 31,594.44 and 7,035.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,078.96 : 31,594.44 = 7,035.69 : x
2. Step 2: Convert to fraction form
   21,078.96/31,594.44 = 7,035.69/x
3. Step 3: Cross multiply
   21,078.96x = 31,594.44 × 7,035.69
4. Step 4: Simplify right side
   21,078.96x = 222,288,685.56
5. Step 5: Solve for x
   x = 222,288,685.56/21,078.96
6. Step 6: Final answer
   x = 10,545.52