Finding the Fourth Proportional to 64,571.48, 89,104.56 and 37,721.60

Step by Step Solution

1. Step 1: Write the proportion equation
   64,571.48 : 89,104.56 = 37,721.60 : x
2. Step 2: Convert to fraction form
   64,571.48/89,104.56 = 37,721.60/x
3. Step 3: Cross multiply
   64,571.48x = 89,104.56 × 37,721.60
4. Step 4: Simplify right side
   64,571.48x = 3,361,166,570.50
5. Step 5: Solve for x
   x = 3,361,166,570.50/64,571.48
6. Step 6: Final answer
   x = 52,053.42