Finding the Fourth Proportional to 22,446.52, 30,974.37 and 13,015.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,446.52 : 30,974.37 = 13,015.69 : x
2. Step 2: Convert to fraction form
   22,446.52/30,974.37 = 13,015.69/x
3. Step 3: Cross multiply
   22,446.52x = 30,974.37 × 13,015.69
4. Step 4: Simplify right side
   22,446.52x = 403,152,797.87
5. Step 5: Solve for x
   x = 403,152,797.87/22,446.52
6. Step 6: Final answer
   x = 17,960.59