Finding the Fourth Proportional to 12,564.82, 17,336.58 and 7,529.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,564.82 : 17,336.58 = 7,529.96 : x
2. Step 2: Convert to fraction form
   12,564.82/17,336.58 = 7,529.96/x
3. Step 3: Cross multiply
   12,564.82x = 17,336.58 × 7,529.96
4. Step 4: Simplify right side
   12,564.82x = 130,543,811.40
5. Step 5: Solve for x
   x = 130,543,811.40/12,564.82
6. Step 6: Final answer
   x = 10,389.63