Finding the Fourth Proportional to 16,905.89, 25,358.52 and 5,059.67

Step by Step Solution

1. Step 1: Write the proportion equation
   16,905.89 : 25,358.52 = 5,059.67 : x
2. Step 2: Convert to fraction form
   16,905.89/25,358.52 = 5,059.67/x
3. Step 3: Cross multiply
   16,905.89x = 25,358.52 × 5,059.67
4. Step 4: Simplify right side
   16,905.89x = 128,305,742.89
5. Step 5: Solve for x
   x = 128,305,742.89/16,905.89
6. Step 6: Final answer
   x = 7,589.41