Finding the Fourth Proportional to 12,650.52, 17,434.56 and 8,394.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,650.52 : 17,434.56 = 8,394.06 : x
2. Step 2: Convert to fraction form
   12,650.52/17,434.56 = 8,394.06/x
3. Step 3: Cross multiply
   12,650.52x = 17,434.56 × 8,394.06
4. Step 4: Simplify right side
   12,650.52x = 146,346,742.71
5. Step 5: Solve for x
   x = 146,346,742.71/12,650.52
6. Step 6: Final answer
   x = 11,568.44