Finding the Fourth Proportional to 12,346.82, 17,034.72 and 7,564.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,346.82 : 17,034.72 = 7,564.27 : x
2. Step 2: Convert to fraction form
   12,346.82/17,034.72 = 7,564.27/x
3. Step 3: Cross multiply
   12,346.82x = 17,034.72 × 7,564.27
4. Step 4: Simplify right side
   12,346.82x = 128,855,221.45
5. Step 5: Solve for x
   x = 128,855,221.45/12,346.82
6. Step 6: Final answer
   x = 10,436.31