Finding the Fourth Proportional to 105,096.78, 145,033.50 and 67,371

Step by Step Solution

1. Step 1: Write the proportion equation
   105,096.78 : 145,033.50 = 67,371 : x
2. Step 2: Convert to fraction form
   105,096.78/145,033.50 = 67,371/x
3. Step 3: Cross multiply
   105,096.78x = 145,033.50 × 67,371
4. Step 4: Simplify right side
   105,096.78x = 9,771,051,928.50
5. Step 5: Solve for x
   x = 9,771,051,928.50/105,096.78
6. Step 6: Final answer
   x = 92,971.94