Finding the Fourth Proportional to 17,078.48, 25,633.56 and 8,764.64

Step by Step Solution

1. Step 1: Write the proportion equation
   17,078.48 : 25,633.56 = 8,764.64 : x
2. Step 2: Convert to fraction form
   17,078.48/25,633.56 = 8,764.64/x
3. Step 3: Cross multiply
   17,078.48x = 25,633.56 × 8,764.64
4. Step 4: Simplify right side
   17,078.48x = 224,668,925.32
5. Step 5: Solve for x
   x = 224,668,925.32/17,078.48
6. Step 6: Final answer
   x = 13,155.09