Finding the Fourth Proportional to 16,973.74, 25,458.99 and 5,286.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,973.74 : 25,458.99 = 5,286.25 : x
2. Step 2: Convert to fraction form
   16,973.74/25,458.99 = 5,286.25/x
3. Step 3: Cross multiply
   16,973.74x = 25,458.99 × 5,286.25
4. Step 4: Simplify right side
   16,973.74x = 134,582,585.89
5. Step 5: Solve for x
   x = 134,582,585.89/16,973.74
6. Step 6: Final answer
   x = 7,928.87