Finding the Fourth Proportional to 52,975.92, 73,106.50 and 28,776.69

Step by Step Solution

1. Step 1: Write the proportion equation
   52,975.92 : 73,106.50 = 28,776.69 : x
2. Step 2: Convert to fraction form
   52,975.92/73,106.50 = 28,776.69/x
3. Step 3: Cross multiply
   52,975.92x = 73,106.50 × 28,776.69
4. Step 4: Simplify right side
   52,975.92x = 2,103,763,087.49
5. Step 5: Solve for x
   x = 2,103,763,087.49/52,975.92
6. Step 6: Final answer
   x = 39,711.69