Finding the Fourth Proportional to 64,570.98, 89,103.87 and 37,721.10

Step by Step Solution

1. Step 1: Write the proportion equation
   64,570.98 : 89,103.87 = 37,721.10 : x
2. Step 2: Convert to fraction form
   64,570.98/89,103.87 = 37,721.10/x
3. Step 3: Cross multiply
   64,570.98x = 89,103.87 × 37,721.10
4. Step 4: Simplify right side
   64,570.98x = 3,361,095,990.66
5. Step 5: Solve for x
   x = 3,361,095,990.66/64,570.98
6. Step 6: Final answer
   x = 52,052.73