Finding the Fourth Proportional to 72,142.83, 108,216.09 and 34,183.19

Step by Step Solution

1. Step 1: Write the proportion equation
   72,142.83 : 108,216.09 = 34,183.19 : x
2. Step 2: Convert to fraction form
   72,142.83/108,216.09 = 34,183.19/x
3. Step 3: Cross multiply
   72,142.83x = 108,216.09 × 34,183.19
4. Step 4: Simplify right side
   72,142.83x = 3,699,171,436.07
5. Step 5: Solve for x
   x = 3,699,171,436.07/72,142.83
6. Step 6: Final answer
   x = 51,275.66