Finding the Fourth Proportional to 67,446.59, 93,061.86 and 39,137.09

Step by Step Solution

1. Step 1: Write the proportion equation
   67,446.59 : 93,061.86 = 39,137.09 : x
2. Step 2: Convert to fraction form
   67,446.59/93,061.86 = 39,137.09/x
3. Step 3: Cross multiply
   67,446.59x = 93,061.86 × 39,137.09
4. Step 4: Simplify right side
   67,446.59x = 3,642,170,194.70
5. Step 5: Solve for x
   x = 3,642,170,194.70/67,446.59
6. Step 6: Final answer
   x = 54,000.81