Finding the Fourth Proportional to 72,105.50, 108,197.13 and 35,169.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,105.50 : 108,197.13 = 35,169.50 : x
2. Step 2: Convert to fraction form
   72,105.50/108,197.13 = 35,169.50/x
3. Step 3: Cross multiply
   72,105.50x = 108,197.13 × 35,169.50
4. Step 4: Simplify right side
   72,105.50x = 3,805,238,963.54
5. Step 5: Solve for x
   x = 3,805,238,963.54/72,105.50
6. Step 6: Final answer
   x = 52,773.21