Finding the Fourth Proportional to 12,704.08, 19,023.48 and 8,308.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,704.08 : 19,023.48 = 8,308.72 : x
2. Step 2: Convert to fraction form
   12,704.08/19,023.48 = 8,308.72/x
3. Step 3: Cross multiply
   12,704.08x = 19,023.48 × 8,308.72
4. Step 4: Simplify right side
   12,704.08x = 158,060,768.75
5. Step 5: Solve for x
   x = 158,060,768.75/12,704.08
6. Step 6: Final answer
   x = 12,441.73