Finding the Fourth Proportional to 16,902.93, 25,358.54 and 5,809.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,902.93 : 25,358.54 = 5,809.78 : x
2. Step 2: Convert to fraction form
   16,902.93/25,358.54 = 5,809.78/x
3. Step 3: Cross multiply
   16,902.93x = 25,358.54 × 5,809.78
4. Step 4: Simplify right side
   16,902.93x = 147,327,411.73
5. Step 5: Solve for x
   x = 147,327,411.73/16,902.93
6. Step 6: Final answer
   x = 8,716.09