Finding the Fourth Proportional to 16,928.89, 25,395.70 and 7,065.91

Step by Step Solution

1. Step 1: Write the proportion equation
   16,928.89 : 25,395.70 = 7,065.91 : x
2. Step 2: Convert to fraction form
   16,928.89/25,395.70 = 7,065.91/x
3. Step 3: Cross multiply
   16,928.89x = 25,395.70 × 7,065.91
4. Step 4: Simplify right side
   16,928.89x = 179,443,730.59
5. Step 5: Solve for x
   x = 179,443,730.59/16,928.89
6. Step 6: Final answer
   x = 10,599.85