Finding the Fourth Proportional to 51,071.92, 70,478.81 and 28,410.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,071.92 : 70,478.81 = 28,410.50 : x
2. Step 2: Convert to fraction form
   51,071.92/70,478.81 = 28,410.50/x
3. Step 3: Cross multiply
   51,071.92x = 70,478.81 × 28,410.50
4. Step 4: Simplify right side
   51,071.92x = 2,002,337,975.75
5. Step 5: Solve for x
   x = 2,002,337,975.75/51,071.92
6. Step 6: Final answer
   x = 39,206.24