Finding the Fourth Proportional to 67,938.57, 101,450.33 and 55,483.30

Step by Step Solution

1. Step 1: Write the proportion equation
   67,938.57 : 101,450.33 = 55,483.30 : x
2. Step 2: Convert to fraction form
   67,938.57/101,450.33 = 55,483.30/x
3. Step 3: Cross multiply
   67,938.57x = 101,450.33 × 55,483.30
4. Step 4: Simplify right side
   67,938.57x = 5,628,799,094.49
5. Step 5: Solve for x
   x = 5,628,799,094.49/67,938.57
6. Step 6: Final answer
   x = 82,851.30