Finding the Fourth Proportional to 9,015.72, 12,440.81 and 5,036.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,015.72 : 12,440.81 = 5,036.75 : x
2. Step 2: Convert to fraction form
   9,015.72/12,440.81 = 5,036.75/x
3. Step 3: Cross multiply
   9,015.72x = 12,440.81 × 5,036.75
4. Step 4: Simplify right side
   9,015.72x = 62,661,162.38
5. Step 5: Solve for x
   x = 62,661,162.38/9,015.72
6. Step 6: Final answer
   x = 6,950.21