Finding the Fourth Proportional to 12,634.16, 18,964.56 and 7,092.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,634.16 : 18,964.56 = 7,092.20 : x
2. Step 2: Convert to fraction form
   12,634.16/18,964.56 = 7,092.20/x
3. Step 3: Cross multiply
   12,634.16x = 18,964.56 × 7,092.20
4. Step 4: Simplify right side
   12,634.16x = 134,500,452.43
5. Step 5: Solve for x
   x = 134,500,452.43/12,634.16
6. Step 6: Final answer
   x = 10,645.78