Finding the Fourth Proportional to 105,233.50, 145,270.04 and 67,045.42

Step by Step Solution

1. Step 1: Write the proportion equation
   105,233.50 : 145,270.04 = 67,045.42 : x
2. Step 2: Convert to fraction form
   105,233.50/145,270.04 = 67,045.42/x
3. Step 3: Cross multiply
   105,233.50x = 145,270.04 × 67,045.42
4. Step 4: Simplify right side
   105,233.50x = 9,739,690,845.22
5. Step 5: Solve for x
   x = 9,739,690,845.22/105,233.50
6. Step 6: Final answer
   x = 92,553.14