Finding the Fourth Proportional to 9,105.24, 12,564.46 and 5,125.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,105.24 : 12,564.46 = 5,125.62 : x
2. Step 2: Convert to fraction form
   9,105.24/12,564.46 = 5,125.62/x
3. Step 3: Cross multiply
   9,105.24x = 12,564.46 × 5,125.62
4. Step 4: Simplify right side
   9,105.24x = 64,400,647.47
5. Step 5: Solve for x
   x = 64,400,647.47/9,105.24
6. Step 6: Final answer
   x = 7,072.92