Finding the Fourth Proportional to 51,065.82, 70,470.83 and 28,709.82

Step by Step Solution

1. Step 1: Write the proportion equation
   51,065.82 : 70,470.83 = 28,709.82 : x
2. Step 2: Convert to fraction form
   51,065.82/70,470.83 = 28,709.82/x
3. Step 3: Cross multiply
   51,065.82x = 70,470.83 × 28,709.82
4. Step 4: Simplify right side
   51,065.82x = 2,023,204,701.00
5. Step 5: Solve for x
   x = 2,023,204,701.00/51,065.82
6. Step 6: Final answer
   x = 39,619.55