Finding the Fourth Proportional to 105,424.50, 145,484.52 and 60,101.04

Step by Step Solution

1. Step 1: Write the proportion equation
   105,424.50 : 145,484.52 = 60,101.04 : x
2. Step 2: Convert to fraction form
   105,424.50/145,484.52 = 60,101.04/x
3. Step 3: Cross multiply
   105,424.50x = 145,484.52 × 60,101.04
4. Step 4: Simplify right side
   105,424.50x = 8,743,770,955.90
5. Step 5: Solve for x
   x = 8,743,770,955.90/105,424.50
6. Step 6: Final answer
   x = 82,938.70