Finding the Fourth Proportional to 16,739.33, 25,113.86 and 7,981.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,739.33 : 25,113.86 = 7,981.61 : x
2. Step 2: Convert to fraction form
   16,739.33/25,113.86 = 7,981.61/x
3. Step 3: Cross multiply
   16,739.33x = 25,113.86 × 7,981.61
4. Step 4: Simplify right side
   16,739.33x = 200,448,870.64
5. Step 5: Solve for x
   x = 200,448,870.64/16,739.33
6. Step 6: Final answer
   x = 11,974.73