Finding the Fourth Proportional to 72,662.36, 108,835.31 and 35,143.29

Step by Step Solution

1. Step 1: Write the proportion equation
   72,662.36 : 108,835.31 = 35,143.29 : x
2. Step 2: Convert to fraction form
   72,662.36/108,835.31 = 35,143.29/x
3. Step 3: Cross multiply
   72,662.36x = 108,835.31 × 35,143.29
4. Step 4: Simplify right side
   72,662.36x = 3,824,830,685.85
5. Step 5: Solve for x
   x = 3,824,830,685.85/72,662.36
6. Step 6: Final answer
   x = 52,638.41