Finding the Fourth Proportional to 67,454.34, 93,072.54 and 39,144.84

Step by Step Solution

1. Step 1: Write the proportion equation
   67,454.34 : 93,072.54 = 39,144.84 : x
2. Step 2: Convert to fraction form
   67,454.34/93,072.54 = 39,144.84/x
3. Step 3: Cross multiply
   67,454.34x = 93,072.54 × 39,144.84
4. Step 4: Simplify right side
   67,454.34x = 3,643,309,686.69
5. Step 5: Solve for x
   x = 3,643,309,686.69/67,454.34
6. Step 6: Final answer
   x = 54,011.49