Finding the Fourth Proportional to 39,036.24, 58,551.16 and 10,956.72

Step by Step Solution

1. Step 1: Write the proportion equation
   39,036.24 : 58,551.16 = 10,956.72 : x
2. Step 2: Convert to fraction form
   39,036.24/58,551.16 = 10,956.72/x
3. Step 3: Cross multiply
   39,036.24x = 58,551.16 × 10,956.72
4. Step 4: Simplify right side
   39,036.24x = 641,528,665.80
5. Step 5: Solve for x
   x = 641,528,665.80/39,036.24
6. Step 6: Final answer
   x = 16,434.18