Finding the Fourth Proportional to 51,259.33, 76,923.31 and 21,273.59

Step by Step Solution

1. Step 1: Write the proportion equation
   51,259.33 : 76,923.31 = 21,273.59 : x
2. Step 2: Convert to fraction form
   51,259.33/76,923.31 = 21,273.59/x
3. Step 3: Cross multiply
   51,259.33x = 76,923.31 × 21,273.59
4. Step 4: Simplify right side
   51,259.33x = 1,636,435,059.14
5. Step 5: Solve for x
   x = 1,636,435,059.14/51,259.33
6. Step 6: Final answer
   x = 31,924.63