Finding the Fourth Proportional to 46,571.89, 69,470.46 and 42,087.73

Step by Step Solution

1. Step 1: Write the proportion equation
   46,571.89 : 69,470.46 = 42,087.73 : x
2. Step 2: Convert to fraction form
   46,571.89/69,470.46 = 42,087.73/x
3. Step 3: Cross multiply
   46,571.89x = 69,470.46 × 42,087.73
4. Step 4: Simplify right side
   46,571.89x = 2,923,853,631.95
5. Step 5: Solve for x
   x = 2,923,853,631.95/46,571.89
6. Step 6: Final answer
   x = 62,781.51