Finding the Fourth Proportional to 58,387.73, 80,405.37 and 50,727.47

Step by Step Solution

1. Step 1: Write the proportion equation
   58,387.73 : 80,405.37 = 50,727.47 : x
2. Step 2: Convert to fraction form
   58,387.73/80,405.37 = 50,727.47/x
3. Step 3: Cross multiply
   58,387.73x = 80,405.37 × 50,727.47
4. Step 4: Simplify right side
   58,387.73x = 4,078,760,592.49
5. Step 5: Solve for x
   x = 4,078,760,592.49/58,387.73
6. Step 6: Final answer
   x = 69,856.47