Finding the Fourth Proportional to 51,446.38, 70,998.76 and 28,784.02

Step by Step Solution

1. Step 1: Write the proportion equation
   51,446.38 : 70,998.76 = 28,784.02 : x
2. Step 2: Convert to fraction form
   51,446.38/70,998.76 = 28,784.02/x
3. Step 3: Cross multiply
   51,446.38x = 70,998.76 × 28,784.02
4. Step 4: Simplify right side
   51,446.38x = 2,043,629,727.82
5. Step 5: Solve for x
   x = 2,043,629,727.82/51,446.38
6. Step 6: Final answer
   x = 39,723.49