Finding the Fourth Proportional to 9,036.65, 12,462.27 and 7,634.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,036.65 : 12,462.27 = 7,634.54 : x
2. Step 2: Convert to fraction form
   9,036.65/12,462.27 = 7,634.54/x
3. Step 3: Cross multiply
   9,036.65x = 12,462.27 × 7,634.54
4. Step 4: Simplify right side
   9,036.65x = 95,143,698.81
5. Step 5: Solve for x
   x = 95,143,698.81/9,036.65
6. Step 6: Final answer
   x = 10,528.65