Finding the Fourth Proportional to 72,086.43, 108,152.79 and 34,649.22

Step by Step Solution

1. Step 1: Write the proportion equation
   72,086.43 : 108,152.79 = 34,649.22 : x
2. Step 2: Convert to fraction form
   72,086.43/108,152.79 = 34,649.22/x
3. Step 3: Cross multiply
   72,086.43x = 108,152.79 × 34,649.22
4. Step 4: Simplify right side
   72,086.43x = 3,747,410,089.96
5. Step 5: Solve for x
   x = 3,747,410,089.96/72,086.43
6. Step 6: Final answer
   x = 51,984.96