Finding the Fourth Proportional to 87,949.56, 131,942.82 and 28,780.62

Step by Step Solution

1. Step 1: Write the proportion equation
   87,949.56 : 131,942.82 = 28,780.62 : x
2. Step 2: Convert to fraction form
   87,949.56/131,942.82 = 28,780.62/x
3. Step 3: Cross multiply
   87,949.56x = 131,942.82 × 28,780.62
4. Step 4: Simplify right side
   87,949.56x = 3,797,396,164.15
5. Step 5: Solve for x
   x = 3,797,396,164.15/87,949.56
6. Step 6: Final answer
   x = 43,176.98