Finding the Fourth Proportional to 51,410.27, 70,950.42 and 28,751.12

Step by Step Solution

1. Step 1: Write the proportion equation
   51,410.27 : 70,950.42 = 28,751.12 : x
2. Step 2: Convert to fraction form
   51,410.27/70,950.42 = 28,751.12/x
3. Step 3: Cross multiply
   51,410.27x = 70,950.42 × 28,751.12
4. Step 4: Simplify right side
   51,410.27x = 2,039,903,684.72
5. Step 5: Solve for x
   x = 2,039,903,684.72/51,410.27
6. Step 6: Final answer
   x = 39,678.92