Finding the Fourth Proportional to 105,150.84, 145,108.02 and 67,425

Step by Step Solution

1. Step 1: Write the proportion equation
   105,150.84 : 145,108.02 = 67,425 : x
2. Step 2: Convert to fraction form
   105,150.84/145,108.02 = 67,425/x
3. Step 3: Cross multiply
   105,150.84x = 145,108.02 × 67,425
4. Step 4: Simplify right side
   105,150.84x = 9,783,908,248.50
5. Step 5: Solve for x
   x = 9,783,908,248.50/105,150.84
6. Step 6: Final answer
   x = 93,046.41