Finding the Fourth Proportional to 67,287, 92,856.06 and 39,009.09

Step by Step Solution

1. Step 1: Write the proportion equation
   67,287 : 92,856.06 = 39,009.09 : x
2. Step 2: Convert to fraction form
   67,287/92,856.06 = 39,009.09/x
3. Step 3: Cross multiply
   67,287x = 92,856.06 × 39,009.09
4. Step 4: Simplify right side
   67,287x = 3,622,230,401.59
5. Step 5: Solve for x
   x = 3,622,230,401.59/67,287
6. Step 6: Final answer
   x = 53,832.54