Finding the Fourth Proportional to 67,272, 92,835.39 and 38,994.09

Step by Step Solution

1. Step 1: Write the proportion equation
   67,272 : 92,835.39 = 38,994.09 : x
2. Step 2: Convert to fraction form
   67,272/92,835.39 = 38,994.09/x
3. Step 3: Cross multiply
   67,272x = 92,835.39 × 38,994.09
4. Step 4: Simplify right side
   67,272x = 3,620,031,552.85
5. Step 5: Solve for x
   x = 3,620,031,552.85/67,272
6. Step 6: Final answer
   x = 53,811.86