Finding the Fourth Proportional to 67,558.16, 93,220.72 and 38,487.30

Step by Step Solution

1. Step 1: Write the proportion equation
   67,558.16 : 93,220.72 = 38,487.30 : x
2. Step 2: Convert to fraction form
   67,558.16/93,220.72 = 38,487.30/x
3. Step 3: Cross multiply
   67,558.16x = 93,220.72 × 38,487.30
4. Step 4: Simplify right side
   67,558.16x = 3,587,813,816.86
5. Step 5: Solve for x
   x = 3,587,813,816.86/67,558.16
6. Step 6: Final answer
   x = 53,107.04