Finding the Fourth Proportional to 67,729.50, 93,466.80 and 37,921.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,729.50 : 93,466.80 = 37,921.50 : x
2. Step 2: Convert to fraction form
   67,729.50/93,466.80 = 37,921.50/x
3. Step 3: Cross multiply
   67,729.50x = 93,466.80 × 37,921.50
4. Step 4: Simplify right side
   67,729.50x = 3,544,401,256.20
5. Step 5: Solve for x
   x = 3,544,401,256.20/67,729.50
6. Step 6: Final answer
   x = 52,331.72