Finding the Fourth Proportional to 67,558.38, 93,242.16 and 39,280.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,558.38 : 93,242.16 = 39,280.50 : x
2. Step 2: Convert to fraction form
   67,558.38/93,242.16 = 39,280.50/x
3. Step 3: Cross multiply
   67,558.38x = 93,242.16 × 39,280.50
4. Step 4: Simplify right side
   67,558.38x = 3,662,598,665.88
5. Step 5: Solve for x
   x = 3,662,598,665.88/67,558.38
6. Step 6: Final answer
   x = 54,213.83