Finding the Fourth Proportional to 35,956.08, 53,958.42 and 12,582.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,956.08 : 53,958.42 = 12,582.72 : x
2. Step 2: Convert to fraction form
   35,956.08/53,958.42 = 12,582.72/x
3. Step 3: Cross multiply
   35,956.08x = 53,958.42 × 12,582.72
4. Step 4: Simplify right side
   35,956.08x = 678,943,627.59
5. Step 5: Solve for x
   x = 678,943,627.59/35,956.08
6. Step 6: Final answer
   x = 18,882.58